CVE-2017-12255 Command injection in Cisco UCS Central Software
An authenticated local attacker can exploit insufficient CLI input validation to break out of the restricted shell and gain full system access.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2017-12255?
CVE-2017-12255 is a medium-severity command injection vulnerability in Cisco Unified Computing System, published on 21 Sep 2017. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability in the CLI of Cisco UCS Central Software could allow an authenticated, local attacker to gain shell access. The vulnerability is due to insufficient input validation of commands entered in the CLI, aka a Restricted Shell Break Vulnerability. An attacker could exploit this vulnerability by entering a specific command with crafted arguments. An exploit could allow the attacker to gain shell access to the underlying system. Cisco Bug IDs: CSCve70762.
Weakness: CWE-20
Which versions are affected by CVE-2017-12255?
It affects 1 product.
Products include Cisco Unified Computing System.
How do I fix CVE-2017-12255?
No fix has been published for CVE-2017-12255 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2017-12255 being exploited?
There is no known exploitation of CVE-2017-12255 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-2012-4078 Auth bypass in n/a
Sources
Also known as GHSA-gg94-88qg-53xh.