CVE-2023-20084 Race condition in Cisco Secure Endpoint

Medium 5.0 Published 22 Nov 2023 Updated 2 Aug 2024

A local attacker can bypass endpoint protection by exploiting a timing issue to prevent file quarantine or process termination.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2023-20084?

CVE-2023-20084 is a medium-severity vulnerability in Cisco Secure Endpoint, published on 22 Nov 2023. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

A vulnerability in the endpoint software of Cisco Secure Endpoint for Windows could allow an authenticated, local attacker to evade endpoint protection within a limited time window. This vulnerability is due to a timing issue that occurs between various software components. An attacker could exploit this vulnerability by persuading a user to put a malicious file into a specific folder and then persuading the user to execute the file within a limited time window. A successful exploit could allow the attacker to cause the endpoint software to fail to quarantine the malicious file or kill its process. Note: This vulnerability only applies to deployments that have the Windows Folder Redirection feature enabled.

Weakness: CWE-437

Which versions are affected by CVE-2023-20084?

It affects 2 products.

Products include Cisco Secure Endpoint, Cisco Secure Endpoint Private Cloud.

How do I fix CVE-2023-20084?

No fix has been published for CVE-2023-20084 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-20084 being exploited?

There is no known exploitation of CVE-2023-20084 in the wild and no public exploit code.

Sources

Also known as GHSA-cc7p-25jw-497j.