CVEs from 2016

8,453 normalized CVEs published or assigned in this year.

Total
8,453
critical
critical 1,164
high
high 3,521
medium
medium 3,173
low
low 248
% Critical
13.8%
% with KEV
0.7%
% with exploit
6.8%

Top vendors

Top products

  • phpmyadmin 3,382
  • php 1,748
  • squid 1,549
  • samba 1,093
  • drupal 868
  • firefox 757
  • moodle 700
  • openssl 664
0
KEVHas exploit
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CVE Severity CVSS Risk Flags OS Vendor Published Description
CVE-2016-2171 high 7.5 7.5 10y ago The User Manager service in Apache Jetspeed before 2.3.1 does not properly restrict access using Jetspeed Security, which allows remote attackers to (1) add, (2) edit, or (3) delete users via the RES…
CVE-2016-2164 high 7.5 7.5 10y ago Apache OpenMeetings allows remote attackers to read arbitrary files by attempting to upload a file
CVE-2016-0784 medium 6.5 7.5 10y ago Apache OpenMeetings Directory Traversal vulnerability
CVE-2016-0783 high 7.5 7.5 10y ago The sendHashByUser function in Apache OpenMeetings before 3.1.1 generates predictable password reset tokens, which makes it easier for remote attackers to reset arbitrary user passwords by leveraging…
CVE-2016-3983 high 7.5 7.5 10y ago McAfee Advanced Threat Defense (ATD) before 3.4.8.178 might allow remote attackers to bypass malware detection by leveraging information about the parent process.
CVE-2016-2381 high 7.5 7.5 10y ago Perl might allow context-dependent attackers to bypass the taint protection mechanism in a child process via duplicate environment variables in envp.
CVE-2016-3980 high 7.5 7.5 10y ago The Java Startup Framework (aka jstart) in SAP JAVA AS 7.2 through 7.4 allows remote attackers to cause a denial of service (process crash) via a crafted HTTP request, aka SAP Security Note 2259547.
CVE-2016-3979 high 7.5 7.5 10y ago Internet Communication Manager (aka ICMAN or ICM) in SAP JAVA AS 7.2 through 7.4 allows remote attackers to cause a denial of service (heap memory corruption and process crash) via a crafted HTTP req…
CVE-2016-2216 high 7.5 7.5 10y ago The HTTP header parsing code in Node.js 0.10.x before 0.10.42, 0.11.6 through 0.11.16, 0.12.x before 0.12.10, 4.x before 4.3.0, and 5.x before 5.6.0 allows remote attackers to bypass an HTTP response…
CVE-2016-2086 high 7.5 7.5 10y ago Node.js 0.10.x before 0.10.42, 0.12.x before 0.12.10, 4.x before 4.3.0, and 5.x before 5.6.0 allow remote attackers to conduct HTTP request smuggling attacks via a crafted Content-Length HTTP header.
CVE-2016-3948 high 7.5 7.5 10y ago Squid 3.x before 3.5.16 and 4.x before 4.0.8 improperly perform bounds checking, which allows remote attackers to cause a denial of service via a crafted HTTP response, related to Vary headers.
CVE-2016-2272 high 7.5 7.5 10y ago Eaton Lighting EG2 Web Control 4.04P and earlier allows remote attackers to have an unspecified impact via a modified cookie.
CVE-2016-0871 high 7.5 7.5 10y ago Eaton Lighting EG2 Web Control 4.04P and earlier allows remote attackers to read the configuration file, and consequently discover credentials, via a direct request.
CVE-2016-3125 high 7.5 7.5 10y ago The mod_tls module in ProFTPD before 1.3.5b and 1.3.6 before 1.3.6rc2 does not properly handle the TLSDHParamFile directive, which might cause a weaker than intended Diffie-Hellman (DH) key to be use…
CVE-2016-2289 high 7.5 7.5 10y ago Directory traversal vulnerability in ICONICS WebHMI 9 and earlier allows remote attackers to read configuration files, and consequently discover password hashes, via unspecified vectors.
CVE-2016-1345 high 7.5 7.5 10y ago Cisco FireSIGHT System Software 5.4.0 through 6.0.1 and ASA with FirePOWER Services 5.4.0 through 6.0.0.1 allow remote attackers to bypass malware protection via crafted fields in HTTP headers, aka B…
CVE-2016-2344 high 7.5 7.5 10y ago Stack-based buffer overflow in manager.exe in Backburner Manager in Autodesk Backburner 2016 2016.0.0.2150 and earlier allows remote attackers to execute arbitrary code or cause a denial of service (…
CVE-2016-1351 high 7.5 7.5 10y ago The Locator/ID Separation Protocol (LISP) implementation in Cisco IOS 15.1 and 15.2 and NX-OS 4.1 through 6.2 allows remote attackers to cause a denial of service (device reload) via a crafted header…
CVE-2016-1350 high 7.5 7.5 10y ago Cisco IOS 15.3 and 15.4, Cisco IOS XE 3.8 through 3.11, and Cisco Unified Communications Manager allow remote attackers to cause a denial of service (device reload) via malformed SIP messages, aka Bu…
CVE-2016-1349 high 7.5 7.5 10y ago The Smart Install client implementation in Cisco IOS 12.2, 15.0, and 15.2 and IOS XE 3.2 through 3.7 allows remote attackers to cause a denial of service (device reload) via crafted image list parame…
CVE-2016-1348 high 7.5 7.5 10y ago Cisco IOS 15.0 through 15.5 and IOS XE 3.3 through 3.16 allow remote attackers to cause a denial of service (device reload) via a crafted DHCPv6 Relay message, aka Bug ID CSCus55821.
CVE-2016-1347 high 7.5 7.5 10y ago The Wide Area Application Services (WAAS) Express implementation in Cisco IOS 15.1 through 15.5 allows remote attackers to cause a denial of service (device reload) via a crafted TCP segment, aka Bug…
CVE-2016-1777 high 7.5 7.5 10y ago Web Server in Apple OS X Server before 5.1 supports the RC4 algorithm, which makes it easier for remote attackers to defeat cryptographic protection mechanisms via unspecified vectors.
CVE-2016-1766 high 7.5 7.5 10y ago The Profiles component in Apple iOS before 9.3 does not properly validate certificates, which allows attackers to spoof an MDM profile trust relationship via unspecified vectors.
CVE-2016-0829 high 7.5 7.5 10y ago The BnGraphicBufferProducer::onTransact function in libs/gui/IGraphicBufferConsumer.cpp in mediaserver in Android 4.x before 4.4.4, 5.x before 5.1.1 LMY49H, and 6.x before 2016-03-01 does not initial…
CVE-2016-0828 high 7.5 7.5 10y ago The BnGraphicBufferConsumer::onTransact function in libs/gui/IGraphicBufferConsumer.cpp in mediaserver in Android 5.x before 5.1.1 LMY49H and 6.x before 2016-03-01 does not initialize a certain slot …
CVE-2016-1326 high 7.5 7.5 10y ago The administration interface on Cisco DPQ3925 devices with firmware r1 allows remote attackers to cause a denial of service (device restart) via a crafted HTTP request, aka Bug ID CSCup48105.
CVE-2016-1325 high 7.5 7.5 10y ago The administration interface on Cisco DPC3939B and DPC3941 devices allows remote attackers to obtain sensitive information via a crafted HTTP request, aka Bug ID CSCus49506.
CVE-2016-1312 high 7.5 7.5 10y ago The HTTPS inspection engine in the Content Security and Control Security Services Module (CSC-SSM) 6.6 before 6.6.1164.0 for Cisco ASA 5500 devices allows remote attackers to cause a denial of servic…
CVE-2016-0130 high 7.5 7.5 10y ago Microsoft Edge allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Microsoft Edge Memory Corruption Vulnerability," a diffe…
CVE-2016-0129 high 7.5 7.5 10y ago Microsoft Edge allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Microsoft Edge Memory Corruption Vulnerability," a diffe…
CVE-2016-0124 high 7.5 7.5 10y ago Microsoft Edge allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Microsoft Edge Memory Corruption Vulnerability," a diffe…
CVE-2016-0123 high 7.5 7.5 10y ago Microsoft Edge allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Microsoft Edge Memory Corruption Vulnerability," a diffe…
CVE-2016-0120 medium 6.5 7.5 10y ago The Adobe Type Manager Library in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, and Windows 10 Gold and…
CVE-2016-0116 high 7.5 7.5 10y ago Microsoft Edge allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Microsoft Edge Memory Corruption Vulnerability," a diffe…
CVE-2016-0114 high 7.5 7.5 10y ago Microsoft Internet Explorer 11 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Internet Explorer Memory Corruption Vuln…
CVE-2016-0113 high 7.5 7.5 10y ago Microsoft Internet Explorer 9 through 11 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Internet Explorer Memory Corru…
CVE-2016-0112 high 7.5 7.5 10y ago Microsoft Internet Explorer 9 through 11 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Internet Explorer Memory Corru…
CVE-2016-0110 high 7.5 7.5 10y ago Microsoft Internet Explorer 10 through 11 and Microsoft Edge allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Microsoft B…
CVE-2016-0109 high 7.5 7.5 10y ago Microsoft Internet Explorer 11 and Microsoft Edge allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Microsoft Browser Memo…
CVE-2016-0107 high 7.5 7.5 10y ago Microsoft Internet Explorer 9 through 11 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Internet Explorer Memory Corru…
CVE-2016-0106 high 7.5 7.5 10y ago Microsoft Internet Explorer 11 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Internet Explorer Memory Corruption Vuln…
CVE-2016-0105 high 7.5 7.5 10y ago Microsoft Internet Explorer 9 through 11 and Microsoft Edge allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Microsoft Br…
CVE-2016-0104 high 7.5 7.5 10y ago Microsoft Internet Explorer 10 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Internet Explorer Memory Corruption Vuln…
CVE-2016-0103 high 7.5 7.5 10y ago Microsoft Internet Explorer 11 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Internet Explorer Memory Corruption Vuln…
CVE-2016-0102 high 7.5 7.5 10y ago Microsoft Internet Explorer 11 and Microsoft Edge allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Microsoft Browser Memo…
CVE-2016-0798 high 7.5 7.5 10y ago Memory leak in the SRP_VBASE_get_by_user implementation in OpenSSL 1.0.1 before 1.0.1s and 1.0.2 before 1.0.2g allows remote attackers to cause a denial of service (memory consumption) by providing a…
CVE-2016-0797 high 7.5 7.5 10y ago Multiple integer overflows in OpenSSL 1.0.1 before 1.0.1s and 1.0.2 before 1.0.2g allow remote attackers to cause a denial of service (heap memory corruption or NULL pointer dereference) or possibly …
CVE-2016-2572 high 7.5 7.5 10y ago http.cc in Squid 4.x before 4.0.7 relies on the HTTP status code after a response-parsing failure, which allows remote HTTP servers to cause a denial of service (assertion failure and daemon exit) vi…
CVE-2016-2571 high 7.5 7.5 10y ago http.cc in Squid 3.x before 3.5.15 and 4.x before 4.0.7 proceeds with the storage of certain data after a response-parsing failure, which allows remote HTTP servers to cause a denial of service (asse…
CVE-2016-2570 high 7.5 7.5 10y ago The Edge Side Includes (ESI) parser in Squid 3.x before 3.5.15 and 4.x before 4.0.7 does not check buffer limits during XML parsing, which allows remote HTTP servers to cause a denial of service (ass…
CVE-2016-2569 high 7.5 7.5 10y ago Squid 3.x before 3.5.15 and 4.x before 4.0.7 does not properly append data to String objects, which allows remote servers to cause a denial of service (assertion failure and daemon exit) via a long s…
CVE-2016-2537 high 7.5 7.5 10y ago Regular Expression Denial of Service in is-my-json-valid
CVE-2016-2041 high 7.5 7.5 10y ago libraries/common.inc.php in phpMyAdmin 4.0.x before 4.0.10.13, 4.4.x before 4.4.15.3, and 4.5.x before 4.5.4 does not use a constant-time algorithm for comparing CSRF tokens, which makes it easier fo…
CVE-2016-1927 high 7.5 7.5 10y ago The suggestPassword function in js/functions.js in phpMyAdmin 4.0.x before 4.0.10.13, 4.4.x before 4.4.15.3, and 4.5.x before 4.5.4 relies on the Math.random JavaScript function, which makes it easie…
CVE-2016-1335 high 7.5 7.5 10y ago The SSH implementation in Cisco StarOS before 19.3.M0.62771 and 20.x before 20.0.M0.62768 on ASR 5000 devices mishandles a multi-user public-key authentication configuration, which allows remote auth…
CVE-2016-0773 high 7.5 7.5 10y ago PostgreSQL before 9.1.20, 9.2.x before 9.2.15, 9.3.x before 9.3.11, 9.4.x before 9.4.6, and 9.5.x before 9.5.1 allows remote attackers to cause a denial of service (infinite loop or buffer overflow a…
CVE-2016-0742 high 7.5 7.5 10y ago The resolver in nginx before 1.8.1 and 1.9.x before 1.9.10 allows remote attackers to cause a denial of service (invalid pointer dereference and worker process crash) via a crafted UDP DNS response.
CVE-2016-1322 high 7.5 7.5 10y ago The REST interface in Cisco Spark 2015-07-04 allows remote attackers to bypass intended access restrictions and create arbitrary user accounts via unspecified web requests, aka Bug ID CSCuv72584.
CVE-2016-1315 high 7.5 7.5 10y ago The proxy engine in Cisco Advanced Malware Protection (AMP), when used with Email Security Appliance (ESA) 9.5.0-201, 9.6.0-051, and 9.7.0-125, allows remote attackers to bypass intended content rest…
CVE-2016-0958 high 7.5 7.5 10y ago Adobe Experience Manager 5.6.1, 6.0.0, and 6.1.0 might allow remote attackers to have an unspecified impact via a crafted serialized Java object.
CVE-2016-0957 high 7.5 7.5 10y ago Dispatcher before 4.1.5 in Adobe Experience Manager 5.6.1, 6.0.0, and 6.1.0 does not properly implement a URL filter, which allows remote attackers to bypass dispatcher rules via unspecified vectors.
CVE-2016-0047 high 7.5 7.5 11y ago WinForms in Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4.5.2, 4.6, and 4.6.1 allows remote attackers to obtain sensitive information from process memory via crafted icon data, aka "Windows Forms I…
CVE-2016-0044 high 7.5 7.5 11y ago Sync Framework in Microsoft Windows 8.1, Windows Server 2012 R2, and Windows RT 8.1 allows remote attackers to cause a denial of service (SyncShareSvc service outage) via crafted "change batch" data,…
CVE-2016-0037 high 7.5 7.5 11y ago The forms-based authentication implementation in Active Directory Federation Services (ADFS) 3.0 in Microsoft Windows Server 2012 R2 allows remote attackers to cause a denial of service (daemon outag…
CVE-2016-0033 high 7.5 7.5 11y ago Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4.5.2, 4.6, and 4.6.1 does not prevent recursive compilation of XSLT transforms, which allows remote attackers to cause a denial of service (performance …
CVE-2016-2200 high 7.5 7.5 11y ago Siemens SIMATIC S7-1500 CPU devices before 1.8.3 allow remote attackers to cause a denial of service (STOP mode transition) via crafted packets on TCP port 102.
CVE-2016-0811 high 7.5 7.5 11y ago Integer overflow in the BnCrypto::onTransact function in media/libmedia/ICrypto.cpp in libmediaplayerservice in Android 6.x before 2016-02-01 allows attackers to obtain sensitive information, and con…
CVE-2016-0862 medium 6.5 7.5 11y ago General Electric (GE) Industrial Solutions UPS SNMP/Web Adapter devices with firmware before 4.8 allow remote authenticated users to obtain sensitive cleartext account information via unspecified vec…
CVE-2016-1145 high 7.5 7.5 11y ago Directory traversal vulnerability in WebManager in NEC EXPRESSCLUSTER X through 3.3 11.31 on Windows and through 3.3 3.3.1-1 on Linux and Solaris allows remote attackers to read arbitrary files via u…
CVE-2016-1139 high 7.5 7.5 11y ago Cross-site request forgery (CSRF) vulnerability on KDDI HOME SPOT CUBE devices before 2 allows remote attackers to hijack the authentication of unspecified victims via unknown vectors.
CVE-2016-0867 high 7.5 7.5 11y ago CAREL PlantVisorEnhanced allows remote attackers to bypass intended access restrictions via a direct file request.
CVE-2016-1303 high 7.5 7.5 11y ago The web GUI on Cisco Small Business 500 devices 1.2.0.92 allows remote attackers to cause a denial of service via a crafted HTTP request, aka Bug ID CSCul65330.
CVE-2016-1493 high 7.5 7.5 11y ago Intel Driver Update Utility before 2.4 retrieves driver updates in cleartext, which makes it easier for man-in-the-middle attackers to execute arbitrary code via a crafted file.
CVE-2016-0738 high 7.5 7.5 11y ago OpenStack Object Storage (Swift) before 2.3.1 (Kilo), 2.4.x, and 2.5.x before 2.5.1 (Liberty) do not properly close server connections, which allows remote attackers to cause a denial of service (pro…
CVE-2016-0737 high 7.5 7.5 11y ago OpenStack Object Storage (Swift) before 2.4.0 does not properly close client connections, which allows remote attackers to cause a denial of service (proxy-server resource consumption) via a series o…
CVE-2016-1882 high 7.5 7.5 11y ago FreeBSD 9.3 before p33, 10.1 before p26, and 10.2 before p9 allow remote attackers to cause a denial of service (kernel crash) via vectors related to creating a TCP connection with the TCP_MD5SIG and…
CVE-2016-1983 high 7.5 7.5 11y ago The client_host function in parsers.c in Privoxy before 3.0.24 allows remote attackers to cause a denial of service (invalid read and crash) via an empty HTTP Host header.
CVE-2016-1982 high 7.5 7.5 11y ago The remove_chunked_transfer_coding function in filters.c in Privoxy before 3.0.24 allows remote attackers to cause a denial of service (invalid read and crash) via crafted chunk-encoded content.
CVE-2016-0751 high 7.5 7.5 11y ago actionpack/lib/action_dispatch/http/mime_type.rb in Action Pack in Ruby on Rails before 3.2.22.1, 4.0.x and 4.1.x before 4.1.14.1, 4.2.x before 4.2.5.1, and 5.x before 5.0.0.beta1.1 does not properly…
CVE-2016-0577 high 7.5 11y ago Unspecified vulnerability in the Oracle WebLogic Server component in Oracle Fusion Middleware 10.3.6, 12.1.2, 12.1.3, and 12.2.1 allows remote attackers to affect confidentiality, integrity, and avai…
CVE-2016-0574 high 7.5 11y ago Unspecified vulnerability in the Oracle WebLogic Server component in Oracle Fusion Middleware 10.3.6, 12.1.2, 12.1.3, and 12.2.1 allows remote attackers to affect confidentiality, integrity, and avai…
CVE-2016-0573 high 7.5 11y ago Unspecified vulnerability in the Oracle WebLogic Server component in Oracle Fusion Middleware 10.3.6, 12.1.2, 12.1.3, and 12.2.1 allows remote attackers to affect confidentiality, integrity, and avai…
CVE-2016-0572 high 7.5 11y ago Unspecified vulnerability in the Oracle WebLogic Server component in Oracle Fusion Middleware 10.3.6, 12.1.2, 12.1.3, and 12.2.1 allows remote attackers to affect confidentiality, integrity, and avai…
CVE-2016-0522 high 7.5 11y ago Unspecified vulnerability in the Oracle Retail Open Commerce Platform Cloud Service component in Oracle Retail Applications 3.5, 4.5, 4.7, and 5.0 allows remote attackers to affect confidentiality, i…
CVE-2016-0500 high 7.5 11y ago Unspecified vulnerability in the Oracle Retail Order Broker Cloud Service component in Oracle Retail Applications 4.0 and 4.1 allows remote attackers to affect confidentiality, integrity, and availab…
CVE-2016-1296 high 7.5 7.5 11y ago The proxy engine on Cisco Web Security Appliance (WSA) devices with software 8.5.3-055, 9.1.0-000, and 9.5.0-235 allows remote attackers to bypass intended proxy restrictions via a malformed HTTP met…
CVE-2016-0860 high 7.5 7.5 11y ago Buffer overflow in the BwpAlarm subsystem in Advantech WebAccess before 8.1 allows remote attackers to cause a denial of service via a crafted RPC request.
CVE-2016-0855 high 7.5 7.5 11y ago Directory traversal vulnerability in Advantech WebAccess before 8.1 allows remote attackers to list arbitrary virtual-directory files via unspecified vectors.
CVE-2016-0853 high 7.5 7.5 11y ago Advantech WebAccess before 8.1 allows remote attackers to obtain sensitive information via crafted input.
CVE-2016-0852 high 7.5 7.5 11y ago Advantech WebAccess before 8.1 allows remote attackers to bypass an intended administrative requirement and obtain file or folder access via unspecified vectors.
CVE-2016-0851 high 7.5 7.5 11y ago Advantech WebAccess before 8.1 allows remote attackers to cause a denial of service (out-of-bounds memory access) via unspecified vectors.
CVE-2016-0002 high 7.5 7.5 11y ago The Microsoft (1) VBScript 5.7 and 5.8 and (2) JScript 5.7 and 5.8 engines, as used in Internet Explorer 8 through 11 and other products, allow remote attackers to execute arbitrary code via a crafte…
CVE-2016-1232 high 7.5 7.5 11y ago The mod_dialback module in Prosody before 0.9.9 does not properly generate random values for the secret token for server-to-server dialback authentication, which makes it easier for attackers to spoo…
CVE-2016-10517 high 7.4 7.4 9y ago networking.c in Redis before 3.2.7 allows "Cross Protocol Scripting" because it lacks a check for POST and Host: strings, which are not valid in the Redis protocol (but commonly occur when an attack …
CVE-2016-8495 high 7.4 7.4 9y ago An improper certificate validation vulnerability in Fortinet FortiManager 5.0.6 through 5.2.7 and 5.4.0 through 5.4.1 allows remote attacker to spoof a trusted entity by using a man-in-the-middle (MI…
CVE-2016-9417 high 7.4 7.4 10y ago The fetch_remote_file function in MyBB (aka MyBulletinBoard) before 1.8.8 and MyBB Merge System before 1.8.8 allows remote attackers to conduct server-side request forgery (SSRF) attacks via unspecif…
CVE-2016-7999 high 7.4 7.4 10y ago ecrire/exec/valider_xml.php in SPIP 3.1.2 and earlier allows remote attackers to conduct server side request forgery (SSRF) attacks via a URL in the var_url parameter in a valider_xml action.
CVE-2016-6657 high 7.4 7.4 10y ago An open redirect vulnerability has been detected with some Pivotal Cloud Foundry Elastic Runtime components. Users of affected versions should apply the following mitigation: Upgrade PCF Elastic Runt…
CVE-2016-3174 high 7.4 7.4 10y ago An issue was discovered in Open-Xchange OX AppSuite before 7.8.0-rev27. The "defer" servlet offers to redirect a client to a specified URL. Since some checks were missing, arbitrary URLs could be pro…