CVE-2016-20026

Published: Mar 16, 2026 Last Modified: Mar 16, 2026
ExploitDB:
Other exploit source:
Google Dorks:
CRITICAL 9,3
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Confidentiality: N/A
Integrity: N/A
Availability: N/A
CRITICAL 9,8
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high

Description

AI Translation Available

ZKTeco ZKBioSecurity 3.0 contains hardcoded credentials in the bundled Apache Tomcat server that allow unauthenticated attackers to access the manager application. Attackers can authenticate with hardcoded credentials stored in tomcat-users.xml to upload malicious WAR archives containing JSP applications and execute arbitrary code with SYSTEM privileges.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,0010
Percentile
0,3th
Updated

EPSS Score Trend (Last 2 Days)

798

Use of Hard-coded Credentials

Draft
Common Consequences
Security Scopes Affected:
Access Control Integrity Confidentiality Availability Other
Potential Impacts:
Bypass Protection Mechanism Read Application Data Gain Privileges Or Assume Identity Execute Unauthorized Code Or Commands Other
Applicable Platforms
Technologies: Mobile, ICS/OT
View CWE Details
https://cxsecurity.com/issue/WLB-2016080266
https://exchange.xforce.ibmcloud.com/vulnerabilities/116484
https://packetstormsecurity.com/files/138567
https://www.exploit-db.com/exploits/40324/
https://www.vulncheck.com/advisories/zkteco-zkbiosecurity-hardcoded-credentials…
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2016-5362.php