CVE-2016-20031: ZKTeco Inc. ZKTeco ZKBioSecurity

ZKTeco ZKBioSecurity 3.0 Local Authorization Bypass via visLogin.jsp

CVSS 6.8 MediumEPSS 0.0015 · 4th percentile

Published by the CVE Program (CNA: VulnCheck) at 15 Mar 2026, 13:35 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
ZKTeco Inc.	ZKTeco ZKBioSecurity	affected 3.0.1.0_R_230

Identifiers

CVE-2016-20031

CNA

VulnCheck

Weakness (CWE)

CWE-798

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
6.8	Medium	4.0	CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N	CNA (VulnCheck)Used for this record
5.5	Medium	3.1	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N	CNA (VulnCheck)

CISA KEV Not listed.
EPSS 0.0015, the 4th percentile, on 6 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 15 Mar 2026. New records show when each source confirmed them.

Sources

References from the CNA

www.zeroscience.mk/en/vulnerabilities/ZSL-2016-5367.php third-party-advisory
cxsecurity.com/issue/WLB-2016090003 third-party-advisory
exchange.xforce.ibmcloud.com/vulnerabilities/116488 vdb-entry
www.vulncheck.com/advisories/zkteco-zkbiosecurity-local-authorization-bypass-via-vislogin-jsp third-party-advisory
packetstormsecurity.com/files/138571 exploit
www.exploit-db.com/exploits/40327/ exploit

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.