CVE-2020-3243 Multiple Vulnerabilities in Cisco UCS Director and Cisco UCS Director Express for Big Data

Critical 9.8 Published 15 Apr 2020 Updated 15 Nov 2024

Remote attackers can bypass authentication or perform directory traversal attacks on Cisco UCS Director via its REST API.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2020-3243?

CVE-2020-3243 is a critical authentication bypass vulnerability in Cisco UCS Director, published on 15 Apr 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Multiple vulnerabilities in the REST API of Cisco UCS Director and Cisco UCS Director Express for Big Data may allow a remote attacker to bypass authentication or conduct directory traversal attacks on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

Weakness: CWE-269, CWE-20

Which versions are affected by CVE-2020-3243?

It affects 2 products.

Products include Cisco Ucs Director, Cisco Ucs Director Express for Big Data.

How do I fix CVE-2020-3243?

No fix has been published for CVE-2020-3243 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-2020-3243 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-3243 exists.

Public exploit code: 1 Metasploit module.

Sources

Also known as GHSA-3p24-qq22-3v59.