7.1

CVSS Score

3.1

-

CVSS Score

Basic Information

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CVE-2019-16561

CVE-2019-16561: SSL/TLS certificate validation globally and unconditionally disabled by Jenkins WebSphere Deployer Plugin

Jenkins WebSphere Deployer Plugin 1.6.1 and earlier allows users with Overall/Read access to disable SSL/TLS certificate and hostname validation for the entire Jenkins master JVM.

(GitHub Advisory)

Miggo Vulnerability Database

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CVE-2019-16561

CVE-2019-16561:

7.1

CVSS Score

3.1

-

CVSS Score

Basic Information

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Technical Details

Package Name	Ecosystem	Vulnerable Versions	First Patched Version
org.jenkins-ci.plugins:websphere-deployer	maven	<= 1.6.1

Technical Details

Vulnerability Intelligence
Miggo AI

Root Cause Analysis

The vulnerability centers on two key aspects: 1) Global SSL/TLS validation bypass through JVM configuration changes, and 2) Improper access controls on configuration endpoints. The first function is inferred from the pattern of SSLContext manipulation in Java (using null TrustManager/all-trusting HostnameVerifier), which would achieve the described JVM-wide validation disablement. The second function is identified through advisory mentions of form validation methods lacking permission checks and CSRF protection (SECURITY-1371), which would allow low-privileged users to trigger the vulnerable configuration. Both functions directly enable the core vulnerability mechanics described in CWE-295 and the advisory texts.

Vulnerable functions

Only Mi**o us*rs **n s** t*is s**tion

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WAF Protection Rules

WAF Rule

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Reasoning

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