CVE-2019-1937 Auth bypass in Cisco Unified Computing System Director
Unauthenticated remote attackers can bypass authentication to gain full administrator access to Cisco UCS Director and IMC Supervisor devices.
- 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-2019-1937?
CVE-2019-1937 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 Integrated Management Controller (IMC) Supervisor, Cisco UCS Director, and Cisco UCS Director Express for Big Data could allow an unauthenticated, remote attacker to acquire a valid session token with administrator privileges, bypassing user authentication. The vulnerability is due to insufficient request header validation during the authentication process. An attacker could exploit this vulnerability by sending a series of malicious requests to an affected device. An exploit could allow the attacker to use the acquired session token to gain full administrator access to the affected device.
Weakness: CWE-287
Which versions are affected by CVE-2019-1937?
It affects 3 products.
Products include Cisco Integrated Management Controller Supervisor, Cisco Ucs Director, Cisco Ucs Director Express for Big Data.
How do I fix CVE-2019-1937?
No fix has been published for CVE-2019-1937 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-2019-1937 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-1937 exists.
Public exploit code: 1 Metasploit module and 1 Exploit-DB entry.
Other vulnerabilities in Cisco Unified Computing System Director
- CVE-2019-1935 Hardcoded credentials in Cisco Unified Computing System Director
- CVE-2019-1974 Auth bypass in Cisco Unified Computing System Director
- CVE-2015-6259 Path traversal in n/a
- CVE-2019-1864 Cisco Integrated Management Controller Command Injection Vulnerability
- CVE-2019-1865 Cisco Integrated Management Controller Command Injection Vulnerability
Sources
Also known as GHSA-6j24-rh4h-rq7f.