What is CVE-2016-20028?

CVE-2016-20028 is a medium-severity vulnerability in Zkteco Inc. Zkbiosecurity, classified under Cross-Site Request Forgery (CSRF). CVSS score: 4.3/10. Published 2026-03-15.

How severe is CVE-2016-20028?

Medium severity. CVSS v3 base score is 4.3 out of 10.

CSRF in Zkteco Inc. Zkbiosecurity

CVE-2016-20028

ZKTeco ZKBioSecurity 3.0 contains a cross-site request forgery vulnerability that allows attackers to perform administrative actions by tricking logged-in users into visiting malicious websites. Attackers can craft HTTP requests that add s…

Vulnerability class: CSRF (Cross-Site Request Forgery)

EPSS: 0.000 (0.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

Affected products

Zkteco Inc. Zkbiosecurity — versions 3.0.1.0_R_230

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)

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 Cross-Site Request Forgery Superadmin (third-party-advisory)

Frequently asked questions

What is CVE-2016-20028?: CVE-2016-20028 is a medium-severity vulnerability in Zkteco Inc. Zkbiosecurity, classified under Cross-Site Request Forgery (CSRF). CVSS score: 4.3/10. Published 2026-03-15.
How severe is CVE-2016-20028?: Medium severity. CVSS v3 base score is 4.3 out of 10.