CVE-2021-34752 Cisco Firepower Threat Defense Command Injection Vulnerabilities
An authenticated local attacker with admin privileges can execute arbitrary commands as root on Cisco FTD devices via insufficient input validation.
- 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-2021-34752?
CVE-2021-34752 is a medium-severity command injection vulnerability in Cisco Firepower Threat Defense Software, published on 15 Nov 2024. 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 FTD Software could allow an authenticated, local attacker with administrative privileges to execute arbitrary commands with root privileges on the underlying operating system of an affected device. This vulnerability is due to insufficient validation of user-supplied command arguments. An attacker could exploit this vulnerability by submitting crafted input to the affected commands. A successful exploit could allow the attacker to execute commands with root privileges on the underlying operating system. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
Weakness: CWE-20
Which versions are affected by CVE-2021-34752?
How do I fix CVE-2021-34752?
No fix has been published for CVE-2021-34752 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-2021-34752 being exploited?
There is no known exploitation of CVE-2021-34752 in the wild and no public exploit code.
Sources
Also known as GHSA-2wh9-xh8x-vvv4.