CVE-2016-20029 ZKTeco ZKBioSecurity 3.0 File Path Manipulation Vulnerability
Attackers can manipulate file paths to bypass access controls and retrieve sensitive information such as configuration files and source code.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2016-20029?
CVE-2016-20029 is a medium-severity path traversal vulnerability in ZKTeco ZKBioSecurity, published on 15 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
ZKTeco ZKBioSecurity 3.0 contains a file path manipulation vulnerability that allows attackers to access arbitrary files by modifying file paths used to retrieve local resources. Attackers can manipulate path parameters to bypass access controls and retrieve sensitive information including configuration files, source code, and protected application resources.
Weakness: CWE-276
Which versions are affected by CVE-2016-20029?
How do I fix CVE-2016-20029?
No fix has been published for CVE-2016-20029 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-2016-20029 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2016-20029 exists.
Sources
Also known as GHSA-qwpg-chxq-r7gf.