CVE-2021-40124: cisco anyconnect_secure_mobility_client Incorrect Privilege Assignment
Vulnerability summary
CVE-2021-40124 is a high (CVSS 7.8) Incorrect Privilege Assignment vulnerability in cisco anyconnect_secure_mobility_client. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 14.4% of scored vulnerabilities.
Timeline
- 04-11-2021PublishedVulnerability first disclosed.
- 07-11-2024Last modifiedVulnerability information updated.
Description
A vulnerability in the Network Access Manager (NAM) module of Cisco AnyConnect Secure Mobility Client for Windows could allow an authenticated, local attacker to escalate privileges on an affected device. This vulnerability is due to incorrect privilege assignment to scripts executed before user logon. An attacker could exploit this vulnerability by configuring a script to be executed before logon. A successful exploit could allow the attacker to execute arbitrary code with SYSTEM privileges.
CVSS metrics
3 scores · 2 sources · 2 versions- CVE.orgCNA6.7MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HDiffers
EPSS trend
Probability
0.24%
Chance of exploitation in the next 30 days
Percentile
14%
Versus all other CVEs
30-day change
0.00 pp
From 0.24% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-266Incorrect Privilege AssignmentA product incorrectly assigns a privilege to a particular actor, creating an unintended sphere of control for that actor.
- CWE-269Improper Privilege ManagementThe product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.
Affected systems
Cisco2 products
1 vendor · 2 products
References
1 links- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-anyconnect-nam-priv-yCsRNUGTVendor AdvisoryX Refsource CISCO