What’s Vulnerable › Vulnerabilities

CVE-2018-1999045

• Severity: medium (CVSS 5.4 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-08-23 · updated 2026-06-17
• Weakness: CWE-287

Description

A improper authentication vulnerability exists in Jenkins 2.137 and earlier, 2.121.2 and earlier in SecurityRealm.java, TokenBasedRememberMeServices2.java that allows attackers with a valid cookie to remain logged in even if that feature is disabled.

Affected products

• Jenkins: through 2.121.2; through 2.137

References

• https://jenkins.io/security/advisory/2018-08-15/#SECURITY-996
• https://jenkins.io/security/advisory/2018-08-15/#SECURITY-996

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