What is CVE-2024-20391?

CVE-2024-20391 is a medium-severity vulnerability in Cisco Secure Client, classified under Missing Authentication for Critical Function. CVSS score: 6.8/10. Published 2024-05-15.

How severe is CVE-2024-20391?

Medium severity. CVSS v3 base score is 6.8 out of 10.

Auth bypass in Cisco Secure Client

CVE-2024-20391

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…

Vulnerability class: Broken Authentication

EPSS: 0.003 (26.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Cisco Secure Client — versions 4.9.00086, 4.9.01095, 4.9.02028
Cisco Secure_client
Microsoft Windows

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

psirt@cisco.com (Vendor Advisory)

Frequently asked questions

What is CVE-2024-20391?: CVE-2024-20391 is a medium-severity vulnerability in Cisco Secure Client, classified under Missing Authentication for Critical Function. CVSS score: 6.8/10. Published 2024-05-15.
How severe is CVE-2024-20391?: Medium severity. CVSS v3 base score is 6.8 out of 10.