CVE-2024-20391 Auth bypass in Cisco Secure Client

Medium 6.8 Published Updated

An unauthenticated attacker with physical access can bypass authentication in Cisco Secure Client to execute arbitrary code with SYSTEM privileges.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2024-20391?

CVE-2024-20391 is a medium-severity authentication bypass vulnerability in Cisco Secure Client, published on 15 May 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Weakness: CWE-306

Which versions are affected by CVE-2024-20391?

It affects 1 product.

Products include Cisco Secure Client.

How do I fix CVE-2024-20391?

No fix has been published for CVE-2024-20391 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2024-20391 being exploited?

There is no known exploitation of CVE-2024-20391 in the wild and no public exploit code.

Sources

Also known as GHSA-gmvc-mphj-2pr4.

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