CVE-2021-1531 Cisco Modeling Labs Web UI Command Injection Vulnerability
Authenticated attackers can execute arbitrary OS commands on Cisco Modeling Labs servers via crafted HTTP requests in the web UI.
- 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-2021-1531?
CVE-2021-1531 is a high-severity command injection vulnerability in Cisco Modeling Labs, published on 22 May 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability in the web UI of Cisco Modeling Labs could allow an authenticated, remote attacker to execute arbitrary commands with the privileges of the web application on the underlying operating system of an affected Cisco Modeling Labs server. This vulnerability is due to insufficient validation of user-supplied input to the web UI. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected server. A successful exploit could allow the attacker to execute arbitrary commands with the privileges of the web application, virl2, on the underlying operating system of the affected server. To exploit this vulnerability, the attacker must have valid user credentials on the web UI.
Weakness: CWE-88
Which versions are affected by CVE-2021-1531?
It affects 1 product.
Products include Cisco Modeling Labs.
How do I fix CVE-2021-1531?
No fix has been published for CVE-2021-1531 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-2021-1531 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-1531 exists.
Other vulnerabilities in Cisco Modeling Labs
Sources
Also known as GHSA-m74m-f2xh-459p.