What’s Vulnerable › Vulnerabilities

CVE-2018-1999001

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 18.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-07-23 · updated 2026-06-17

Description

A unauthorized modification of configuration vulnerability exists in Jenkins 2.132 and earlier, 2.121.1 and earlier in User.java that allows attackers to provide crafted login credentials that cause Jenkins to move the config.xml file from the Jenkins home directory. If Jenkins is started without this file present, it will revert to the legacy defaults of granting administrator access to anonymous users.

Affected products

• Jenkins: through 2.121.1; from 2.122 through 2.132
• Oracle Communications Cloud Native Core Automated Test Suite: 1.9.0

References

• https://jenkins.io/security/advisory/2018-07-18/#SECURITY-897
• https://www.oracle.com/security-alerts/cpuapr2022.html
• https://jenkins.io/security/advisory/2018-07-18/#SECURITY-897
• https://www.oracle.com/security-alerts/cpuapr2022.html

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