What’s Vulnerable › Vulnerabilities

CVE-2019-1003021

• Severity: medium (CVSS 4.3 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-02-06 · updated 2026-06-17
• Weakness: CWE-200

Description

An exposure of sensitive information vulnerability exists in Jenkins OpenId Connect Authentication Plugin 1.4 and earlier in OicSecurityRealm/config.jelly that allows attackers able to view a Jenkins administrator's web browser output, or control the browser (e.g. malicious extension) to retrieve the configured client secret.

Affected products

• Jenkins Project Jenkins OpenId Connect Authentication Plugin: through 1.4

References

• https://jenkins.io/security/advisory/2019-01-28/#SECURITY-886
• https://jenkins.io/security/advisory/2019-01-28/#SECURITY-886

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