CVE-2018-1000408
Improper Authorization in Jenkins
6.5
MEDIUM
CVSS 3.1
EPSS 0.15%
Description
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.
How to fix CVE-2018-1000408
To remediate CVE-2018-1000408, upgrade the affected package to a fixed version below.
- —upgrade to 2.138.2 or later
Is CVE-2018-1000408 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2.138.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L |