CVE-2023-3940 Multiple arbitrary file reads in ZkTeco-based OEM devices
Attackers can read arbitrary files on ZkTeco-based OEM devices via relative path traversal, exposing sensitive system data.
- 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-2023-3940?
CVE-2023-3940 is a high-severity path traversal 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
Relative Path Traversal vulnerability in ZkTeco-based OEM devices allows an attacker to access any file on the system.
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 others.
Weakness: CWE-23
Which versions are affected by CVE-2023-3940?
How do I fix CVE-2023-3940?
No fix has been published for CVE-2023-3940 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2023-3940 being exploited?
There is no known exploitation of CVE-2023-3940 in the wild and no public exploit code.
Sources
Also known as GHSA-g7hp-974g-6wg8.