High severity · published Nov 4, 2021
CVE-2021-40124
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…
7.8
CVSS
0.2%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 15% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AS
Anyconnect Secure Mobility Client · Cisco
before 4.10.03104 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-40124
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-40124
Vendor Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-anyconnect-nam-priv-yCsRNUGT
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