CVE-2019-1938 Cisco UCS Director and Cisco UCS Director Express for Big Data API Authentication Bypass Vulnerability

Critical 9.8 Published Updated

Unauthenticated remote attackers can bypass authentication to execute arbitrary actions with administrator privileges on Cisco UCS Director systems.

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-2019-1938?

CVE-2019-1938 is a critical authentication bypass vulnerability in Cisco Unified Computing System Director, published on 21 Aug 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A vulnerability in the web-based management interface of Cisco UCS Director and Cisco UCS Director Express for Big Data could allow an unauthenticated, remote attacker to bypass authentication and execute arbitrary actions with administrator privileges on an affected system. The vulnerability is due to improper authentication request handling. An attacker could exploit this vulnerability by sending crafted HTTP requests to an affected device. A successful exploit could allow an unprivileged attacker to access and execute arbitrary actions through certain APIs.

Weakness: CWE-287

Which versions are affected by CVE-2019-1938?

It affects 2 products.

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

How do I fix CVE-2019-1938?

No fix has been published for CVE-2019-1938 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-2019-1938 being exploited?

There is no known exploitation of CVE-2019-1938 in the wild and no public exploit code.

Sources

Also known as GHSA-99xv-4fxw-wm5h.

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