CVSS 3.0
6.5 mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:LCVE-2018-1000408
Medium (6.5) in jenkins jenkins. EPSS 1.5% chance of exploitation in the next 30 days. Fixed in org.jenkins-ci.main:jenkins-core 2.138.2, 2.146.
A denial of service vulnerability exists in Jenkins 2.145 and earlier, LTS 2.138.1 and earlier in core/src/main/java/hudson/security/HudsonPrivateSecurityRealm.java that allows attackers without Overall/Read permission to access a specific URL on instances using the built-in Jenkins user database security realm that results in the creation of an ephemeral user record in memory.
Severity
- EPSS
- 1.5% chance of exploitation in the next 30 days; higher than 73% of CVEs (scores of 2026-10-31)
- Published
- Modified
- Record from
- the NVD, synced
Affected
- jenkins:jenkins
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-4h47-h3cr-23wh | Maven | org.jenkins-ci.main:jenkins-core | <2.138.2 | 2.138.2 |
| GHSA-4h47-h3cr-23wh | Maven | org.jenkins-ci.main:jenkins-core | >=2.140 <2.146 | 2.146 |