ZKTeco ZKBioSecurity 3.0 File Path Manipulation Vulnerability

Published 7 mo ago 2026-03-15 · modified 3 mo ago 2026-07-28 · JSON

CVSS

6.2

v3.1 · CNA

CISA KEV

not known exploited

EPSS

0.2%

percentile 12%

Public exploits

none known

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.

CISA SSVC assessment

Exploitation: Proof of concept public
Automatable: no
Technical impact: partial
Assessed: 7 mo ago 2026-03-16

Exploit prediction (EPSS)

0.21% probability of exploitation in the next 30 days, higher than 12% of all scored CVEs.

CVSS scores

Assigned by	Version	Score	Vector
CNA	4.0	6.9	`CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N`
CNA	3.1	6.2	`CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N`
CNA	4.0	6.9	`CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X`
CNA	3.1	6.2	`CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N`

Affected products

ZKTeco Inc. ZKTeco ZKBioSecurity

Classification

Weakness

CWE-276 Incorrect Default Permissions

References

zeroscience.mk /en/vulnerabilities/ZSL-2016-5365.php · third-party-advisory
cxsecurity.com /issue/WLB-2016090001 · third-party-advisory
exchange.xforce.ibmcloud.com /vulnerabilities/116489 · vdb-entry
packetstormsecurity.com /files/138570 · exploit
exploit-db.com /exploits/40326/ · exploit
vulncheck.com /advisories/zkteco-zkbiosecurity-file-path-manipulation-vulnerability · third-party-advisory

Sources

CVE List: CVE-2016-20029
NVD: CVE-2016-20029

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.

Summary