CVE-2021-44228
critical
KEV
CVSS v3
—
CVSS v2
—
VIR risk
10.0
Description
Apache Log4j2 contains a vulnerability where JNDI features do not protect against attacker-controlled JNDI-related endpoints, allowing for remote code execution.
CISA KEV
- Vendor
- Apache
- Product
- Log4j2
- Due date
- 2021-12-24
Predictions
Exploit likelihood
99%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: cisa-kev — https://nvd.nist.gov/vuln/detail/CVE-2021-44228
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2021-44228.html
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-44228
Exploits
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 2.11.1-2 | |
| debian | trixie | fixed | 0 |
| debian | bookworm | fixed | 0 |
| debian | bullseye | fixed | 0 |
| debian | forky | fixed | 0 |
| debian | sid | fixed | 0 |
| sles | affected | |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Maven | org.apache.logging.log4j:log4j-core | >=2.13.0,<2.15.0 | 2.15.0 |
| Maven | org.apache.logging.log4j:log4j-core | >=2.0-beta9,<2.3.1 | 2.3.1 |
| Maven | org.apache.logging.log4j:log4j-core | >=2.4,<2.12.2 | 2.12.2 |
| Maven | com.guicedee.services:log4j-core | <=1.2.1.2-jre17 | |
| Maven | org.xbib.elasticsearch:log4j | | |
| Maven | uk.co.nichesolutions.logging.log4j:log4j-core | | |
| Maven | org.ops4j.pax.logging:pax-logging-log4j2 | >=1.8.0,<1.9.2 | 1.9.2 |
| Maven | org.ops4j.pax.logging:pax-logging-log4j2 | >=1.10.0,<1.10.8 | 1.10.8 |
| Maven | org.ops4j.pax.logging:pax-logging-log4j2 | >=1.11.0,<1.11.10 | 1.11.10 |
| Maven | org.ops4j.pax.logging:pax-logging-log4j2 | >=2.0.0,<2.0.11 | 2.0.11 |
References
- https://security-tracker.debian.org/tracker/CVE-2021-44228
- https://www.suse.com/security/cve/CVE-2021-44228.html
- https://nvd.nist.gov/vuln/detail/CVE-2021-44228
- https://github.com/apache/logging-log4j2/pull/608
- https://github.com/github/advisory-database/pull/5501
- https://cert-portal.siemens.com/productcert/pdf/ssa-397453.pdf
- https://packetstormsecurity.com/files/165673/UniFi-Network-Application-Unauthenticated-Log4Shell-Remote-Code-Execution.html
- https://packetstormsecurity.com/files/167794/Open-Xchange-App-Suite-7.10.x-Cross-Site-Scripting-Command-Injection.html
- https://packetstormsecurity.com/files/167917/MobileIron-Log4Shell-Remote-Command-Execution.html
- https://packetstormsecurity.com/files/171626/AD-Manager-Plus-7122-Remote-Code-Execution.html
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0032
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-log4j-qRuKNEbd
- https://seclists.org/fulldisclosure/2022/Dec/2
- https://seclists.org/fulldisclosure/2022/Jul/11
- https://seclists.org/fulldisclosure/2022/Mar/23
- https://security.netapp.com/advisory/ntap-20211210-0007
- https://support.apple.com/kb/HT213189
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-log4j-qRuKNEbd
- https://twitter.com/kurtseifried/status/1469345530182455296
- https://www.bentley.com/en/common-vulnerability-exposure/be-2022-0001
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-44228
- https://www.debian.org/security/2021/dsa-5020
- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00646.html
- https://www.kb.cert.org/vuls/id/930724
- https://www.nu11secur1ty.com/2021/12/cve-2021-44228.html
Verify integrity in audit chain (admin only). AS-IS.