CVE-2022-20655 Command injection in Cisco Carrier Packet Transport
An authenticated local attacker can inject commands into the ConfD CLI to execute arbitrary code with root privileges on affected Cisco network devices.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-20655?
CVE-2022-20655 is a high-severity command injection vulnerability in Cisco Carrier Packet Transport, 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 implementation of the CLI on a device that is running ConfD could allow an authenticated, local attacker to perform a command injection attack. The vulnerability is due to insufficient validation of a process argument on an affected device. An attacker could exploit this vulnerability by injecting commands during the execution of this process. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system with the privilege level of ConfD, which is commonly root.
Weakness: CWE-78
Which versions are affected by CVE-2022-20655?
How do I fix CVE-2022-20655?
No fix has been published for CVE-2022-20655 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-2022-20655 being exploited?
There is no known exploitation of CVE-2022-20655 in the wild and no public exploit code.
Sources
Also known as GHSA-hm47-g5j3-8f32.