CVE-2023-3939 Multiple command injection in ZkTeco-based OEM devices
Attackers can execute arbitrary OS commands with superuser privileges on ZkTeco-based OEM devices, leading to full system compromise.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-3939?
CVE-2023-3939 is a critical command injection vulnerability in ZkTeco-based OEM devices with firmware ZAM170-NF-1.8.25-7354-Ver1.0.0, published on 21 May 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in ZkTeco-based OEM devices allows OS Command Injection. Since all the found command implementations are executed from the superuser, their impact is the maximum possible. This issue affects ZkTeco-based OEM devices (ZkTeco ProFace X, Smartec ST-FR043, Smartec ST-FR041ME and possibly others) with the ZAM170-NF-1.8.25-7354-Ver1.0.0 and possibly other.
Weakness: CWE-78
Which versions are affected by CVE-2023-3939?
How do I fix CVE-2023-3939?
No fix has been published for CVE-2023-3939 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-2023-3939 being exploited?
There is no known exploitation of CVE-2023-3939 in the wild and no public exploit code.
Sources
Also known as GHSA-mvc4-fr9f-g4j8.