CVE-2024-0840 Grandstream UCM Series IP PBX HTTP Parameter Injection
Remote authenticated attackers can execute arbitrary code on Grandstream UCM IP PBX devices via HTTP parameter injection, potentially using default credentials.
- 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-2024-0840?
CVE-2024-0840 is a high-severity command injection vulnerability in Grandstream UCM Series, published on 29 Apr 2024. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Grandstream UCM Series IP PBX before firmware version 1.0.20.52 is affected by a parameter injection vulnerability in the HTTP interface. A remote and authenticated attacker can execute arbitrary code by sending a crafted HTTP request. Authentication may be possible using a default user and password. Affected models are the UCM6202, UCM6204, UCM6208, and UCM6510.
Weakness: CWE-141
Which versions are affected by CVE-2024-0840?
How do I fix CVE-2024-0840?
No fix has been published for CVE-2024-0840 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-2024-0840 being exploited?
There is no known exploitation of CVE-2024-0840 in the wild and no public exploit code.
Sources
Also known as GHSA-jg72-rmmw-hp49.