CVE-2024-20391

Severity: medium (CVSS 6.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-05-15 · updated 2026-06-17
Weakness: CWE-306

Description

A vulnerability in the Network Access Manager (NAM) module of Cisco Secure Client could allow an unauthenticated attacker with physical access to an affected device to elevate privileges to SYSTEM. This vulnerability is due to a lack of authentication on a specific function. A successful exploit could allow the attacker to execute arbitrary code with SYSTEM privileges on an affected device.

Affected products

Cisco Secure Client: before 5.1.3.62 — fixed in 5.1.3.62

How to fix

Upgrade to a fixed version: Cisco Secure Client 5.1.3.62. Check the vendor advisory for mitigations.

References

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-secure-nam-priv-esc-szu2vYpZ
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-secure-nam-priv-esc-szu2vYpZ

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