CVE-2012-4078 Auth bypass in n/a
Remote authenticated users can bypass authentication steps in Cisco UCS BMC via SSH port forwarding, requiring vendor patches.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2012-4078?
CVE-2012-4078 is a high-severity authentication bypass vulnerability in Cisco Unified Computing System, published on 24 Sep 2013. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Baseboard Management Controller (BMC) in Cisco Unified Computing System (UCS) does not properly handle SSH escape sequences, which allows remote authenticated users to bypass an unspecified authentication step via SSH port forwarding, aka Bug ID CSCtg17656.
Weakness: CWE-287
Which versions are affected by CVE-2012-4078?
It affects 1 product.
Products include Cisco Unified Computing System.
How do I fix CVE-2012-4078?
No fix has been published for CVE-2012-4078 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-2012-4078 being exploited?
There is no known exploitation of CVE-2012-4078 in the wild and no public exploit code.
Other vulnerabilities in Cisco Unified Computing System
- CVE-2026-20200 Cisco Integrated Management Controller Argument Injection and Remote Code Execution Vulnerability
- CVE-2026-20094 Cisco Integrated Management Controller Command Injection Vulnerability
- CVE-2018-0430 Cisco Integrated Management Controller Command Injection Vulnerability
- CVE-2018-0431 Cisco Integrated Management Controller Command Injection Vulnerability
- CVE-2018-0338 Command injection in Cisco Unified Computing System unknown
Sources
Also known as GHSA-wwrw-xchg-gfw3.