CVE-2016-20028

MEDIUM

ZKTeco ZKBioSecurity 3.0 Cross-Site Request Forgery Superadmin

Title source: cna
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2016-20028. PoCs published by LiquidWorm.

AI-analyzed exploit summary This HTML file demonstrates a CSRF vulnerability in ZKTeco ZKBioSecurity 3.0, allowing an attacker to create a superadmin account via a crafted POST request. The exploit submits a form with hidden fields to the vulnerable endpoint without requiring user interaction beyond visiting the malicious page.

Description

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 superadmin accounts without validity checks, enabling unauthorized administrative access when authenticated users visit attacker-controlled pages.

Exploits (1)

exploitdb WORKING POC
by LiquidWorm · htmlwebappsjsp
https://www.exploit-db.com/exploits/40325

This HTML file demonstrates a CSRF vulnerability in ZKTeco ZKBioSecurity 3.0, allowing an attacker to create a superadmin account via a crafted POST request. The exploit submits a form with hidden fields to the vulnerable endpoint without requiring user interaction beyond visiting the malicious page.

Classification
Working Poc 95%
Attack Type
Auth Bypass
Complexity
Trivial
Reliability
Reliable
Target: ZKTeco ZKBioSecurity 3.0 (3.0.1.0_R_230)
No auth needed
Prerequisites: Victim must be logged into the target application · Attacker must lure victim to visit the malicious HTML page
devstral-2 · analyzed Mar 16, 2026 Full analysis →

References (6)

Core 6
Core References
Exploit exploit
Reference
https://www.exploit-db.com/exploits/40325/
Third Party Advisory third-party-advisory
VulnCheck Advisory: ZKTeco ZKBioSecurity 3.0 Cross-Site Request Forgery Superadmin
https://www.vulncheck.com/advisories/zkteco-zkbiosecurity-cross-site-request-forgery-superadmin
Third Party Advisory third-party-advisory
Zero Science Lab Disclosure
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2016-5364.php
Third Party Advisory third-party-advisory
CXSecurity
https://cxsecurity.com/issue/WLB-2016080268
Vdb Entry vdb-entry
IBM X-Force Exchange
https://exchange.xforce.ibmcloud.com/vulnerabilities/116477
Exploit exploit
Packet Storm Security
https://packetstormsecurity.com/files/138569

Scores

CVSS v3 4.3
EPSS 0.0001
EPSS Percentile 0.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-352
Status published
Products (1)
ZKTeco Inc./ZKTeco ZKBioSecurity 3.0.1.0_R_230
Published Mar 16, 2026
Tracked Since Mar 16, 2026