CVE-2016-3648

high

Published 2016-06-30 · Modified 2026-05-06

CVSS v3

8.8

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v2

4.0

VIR risk

8.8

Description

Symantec Endpoint Protection Manager (SEPM) 12.1 before RU6 MP5 allows remote authenticated users to bypass the Authentication Lock protection mechanism, and conduct brute-force password-guessing attacks against management-console accounts, by entering data into the authorization window.

Predictions

Exploit likelihood

92%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: secure@symantec.com — https://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=&suid=20160628_01

Application impact

Vendor	Product	Versions	Fixed
symantec	endpoint_protection_manager	`{"endIncluding":"12.1.6"}`

References

http://www.securityfocus.com/bid/91441
http://www.securitytracker.com/id/1036196
https://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=&suid=20160628_01
http://www.securityfocus.com/bid/91441
http://www.securitytracker.com/id/1036196
https://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=&suid=20160628_01

CWEs

CWE-200 CWE-254

Verify integrity in audit chain (admin only). AS-IS.