Path Traversal in Jenkins

CVE-2018-1000406

A path traversal vulnerability exists in Jenkins 2.145 and earlier, LTS 2.138.1 and earlier in core/src/main/java/hudson/model/FileParameterValue.java that allows attackers with Job/Configure permission to define a file parameter with a file name outside the intended directory, resulting in an arbitrary file write on the Jenkins master when scheduling a build.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.040 (89.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-1000406?
CVE-2018-1000406 is a medium-severity vulnerability in Jenkins, classified under Path Traversal. CVSS score: 6.5/10. Published 2019-01-09.
How severe is CVE-2018-1000406?
Medium severity. CVSS v3 base score is 6.5 out of 10.