File Path Manipulation Vulnerability in ZKTeco ZKBioSecurity 3.0
CVE-2016-20029

6.9MEDIUM

Key Information:

Vendor

Zkteco Inc.

Status
Zkteco ZkbiOSecurity
Vendor
CVE Published:
15 March 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2016-20029?

The ZKTeco ZKBioSecurity 3.0 has a file path manipulation vulnerability that enables attackers to exploit weaknesses in the system by altering file paths used to access local resources. This manipulation can lead to unauthorized access of sensitive information, including configuration files, source code, and other protected resources, thereby breaching access controls and compromising user data.

Affected Version(s)

ZKTeco ZKBioSecurity 3.0.1.0_R_230

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2016-20029 - Proof of Concept

CVE-2016-20029 - Proof of Concept

References

https://www.zeroscience.mk/en/vulnerabilities/ZSL-2016-53...
third-party-advisory
https://cxsecurity.com/issue/WLB-2016090001
third-party-advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/116489
vdb-entry

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

LiquidWorm as Gjoko Krstic of Zero Science Lab
.