Skip to content
Fencer Vulns
high 8.2

CVE-2018-1000863 json

Improper Limitation of a Pathname to a Restricted Directory in Jenkins

published 2018-12-10 7 y ago modified 2026-06-17 4 mo ago also GHSA-4jhm-5f7g-75fp , EUVD-2022-2398

cvss
8.2
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
6.8%
EPSS 6.8% chance of exploitation in 30 days, percentile 94%
public exploits
0
none known

Summary

A data modification vulnerability exists in Jenkins 2.153 and earlier, LTS 2.138.3 and earlier in User.java, IdStrategy.java that allows attackers to submit crafted user names that can cause an improper migration of user record storage formats, potentially preventing the victim from logging into Jenkins.

Patch / fix

  • maven org.jenkins-ci.main:jenkins-core 2.138.4, 2.154
  • jenkins openshift 3.11 2.138.4.1544416383-1.el7

red hat advisories RHBA-2019:0024

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2018-1000863 updated cvss 6.5

jenkins: forced migration of user records (SECURITY-1072)

  • Red Hat OpenShift Container Platform 3.2 jenkins Red Hat OpenShift Container Platform 3.3 jenkins Red Hat OpenShift Container Platform 3.4 jenkins Red Hat OpenShift Container Platform 3.5 jenkins Red Hat OpenShift Container Platform 3.6 jenkins Red Hat OpenShift Container Platform 3.7 jenkins
    +2 more products
    Red Hat OpenShift Container Platform 3.9 jenkins Red Hat OpenShift Container Platform 3.10 jenkins
    affected: no fix planned “Will not fix”
  • Red Hat OpenShift Container Platform 3.11 jenkins 2.138.4.1544416383-1.el7
    fixed: vendor fix RHBA-2019:0024
  • Red Hat OpenShift Container Platform 3.11 python-elasticsearch 5.4.0-1.el7, ansible-service-broker 1.3.21-1.el7, automation-broker-apb-role 1.3.21-1.el7, prometheus 3.11.59-1.git.5023.748e6f7.el7, ansible-service-broker-selinux 1.3.21-1.el7, atomic-openshift 3.11.59-1.git.0.7cb6277.el7, +34 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

6.76% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • tenable.com https://www.tenable.com/security/research/tra-2018-43 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 8.2 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
NVD 2.0 6.4 AV:N/AC:L/Au:N/C:N/I:P/A:P
GitHub 3.0 8.2 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

Affected packages

ecosystem package affected fixed in
maven org.jenkins-ci.main:jenkins-core
<2.138.4
>=2.140, <2.154
2.138.4
2.154

Classification

Weakness
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.