Vulnerability in Zkteco Inc. Zkbiosecurity
CVE-2016-20029
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.002 (9.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 10th percentile — 9.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Zkteco Inc. Zkbiosecurity — versions 3.0.1.0_R_230
Weakness classification (CWE)
References
- Zero Science Lab Disclosure (third-party-advisory)
- CXSecurity (third-party-advisory)
- IBM X-Force Exchange (vdb-entry)
- Packet Storm Security (exploit)
- Reference (exploit)
- VulnCheck Advisory: ZKTeco ZKBioSecurity 3.0 File Path Manipulation Vulnerability (third-party-advisory)
Frequently asked questions
- What is CVE-2016-20029?
- CVE-2016-20029 is a medium-severity vulnerability in Zkteco Inc. Zkbiosecurity, classified under Incorrect Default Permissions. CVSS score: 6.2/10. Published 2026-03-16.
- How severe is CVE-2016-20029?
- Medium severity. CVSS v3 base score is 6.2 out of 10.