CVE-2021-42559 Command injection in n/a
Authenticated users can inject arbitrary commands into startup requirements via the REST API, leading to code execution upon server restart.
- 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-2021-42559?
CVE-2021-42559 is a high-severity command injection vulnerability in n/a, published on 12 Jan 2022. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
An issue was discovered in CALDERA 2.8.1. It contains multiple startup "requirements" that execute commands when starting the server. Because these commands can be changed via the REST API, an authenticated user can insert arbitrary commands that will execute when the server is restarted.
Weakness: CWE-77
Which versions are affected by CVE-2021-42559?
It affects 1 product.
Products include Mitre Caldera.
How do I fix CVE-2021-42559?
No fix has been published for CVE-2021-42559 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-2021-42559 being exploited?
There is no known exploitation of CVE-2021-42559 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in n/a
Sources
Also known as GHSA-vmx9-qv3g-pj44.