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TI-2023-12493 Aliases CVE-2023-27902GHSA-cj6r-8pxj-5jv6

Jenkins 2.393 and earlier, LTS 2.375.3 and earlier shows temporary directories related to…

Priority LOW 21Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Low · None · None
Fix status
Partial Red Hat: 1 fixed, 2 without a fix

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA, GitHub and Red Hat.

Summary

Jenkins 2.393 and earlier, LTS 2.375.3 and earlier shows temporary directories related to job workspaces, which allows attackers with Item/Workspace permission to access their contents.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00745 55th percentileScored 2026-11-07
Fix Partial Jenkins (Jenkins Project): 2.394, 2.375.4, 2.387.1org.jenkins-ci.main:jenkins-core (Maven): 2.387.1, 2.375.4, 2.394Red Hat: 1 advisoryRed Hat: 1 fixed, 2 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
JenkinsJenkins—2.394, 2.375.4, 2.387.1Patch availableCNA
—org.jenkins-ci.main:jenkins-core (Maven)2.376 to before 2.387.12.387.1Patch availableGHSA-cj6r-8pxj-5jv6
—org.jenkins-ci.main:jenkins-core (Maven)before 2.375.42.375.4Patch availableGHSA-cj6r-8pxj-5jv6
—org.jenkins-ci.main:jenkins-core (Maven)2.388 to before 2.3942.394Patch availableGHSA-cj6r-8pxj-5jv6
  • Jenkins VendorJenkins Affected — Fixed in 2.394, 2.375.4, 2.387.1 Patch available CNA
  • org.jenkins-ci.main:jenkins-core (Maven) Vendor— Affected 2.376 to before 2.387.1 Fixed in 2.387.1 Patch available GHSA-cj6r-8pxj-5jv6
  • org.jenkins-ci.main:jenkins-core (Maven) Vendor— Affected before 2.375.4 Fixed in 2.375.4 Patch available GHSA-cj6r-8pxj-5jv6
  • org.jenkins-ci.main:jenkins-core (Maven) Vendor— Affected 2.388 to before 2.394 Fixed in 2.394 Patch available GHSA-cj6r-8pxj-5jv6

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:*before 2.375.4VulnerableJenkins
cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:*before 2.394VulnerableJenkins
  • cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:* Versions before 2.375.4 Vulnerable ·Jenkins
  • cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:* Versions before 2.394 Vulnerable ·Jenkins

Remediation

  • Fix · CNA Jenkins (Jenkins Project) Fixed in 2.394, 2.375.4, 2.387.1
  • Fix · GHSA-cj6r-8pxj-5jv6 org.jenkins-ci.main:jenkins-core (Maven) Fixed in 2.387.1 Advisory →
  • Fix · GHSA-cj6r-8pxj-5jv6 org.jenkins-ci.main:jenkins-core (Maven) Fixed in 2.375.4 Advisory →
  • Fix · GHSA-cj6r-8pxj-5jv6 org.jenkins-ci.main:jenkins-core (Maven) Fixed in 2.394 Advisory →

Red Hat 1 advisory

  • RHSA-2023:3299 Released 2023-05-24 · Red Hat rating Important
    jenkins and jenkins-2-plugins security update
    • OpenShift Developer Tools and Services for OCP 4.13 jenkins-2-plugins-4.13.1684911916-1.el8, jenkins-2.387.3.1684911776-3.el8

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    Jenkins — Jenkins Security Advisory 2023-03-08

    7 records Highest priority Priority MEDIUM 1 MEDIUM, 6 LOW

    Other records, highest priority first

    • TI-2023-12489 Cross-site scripting in JenkinsPriority MEDIUM 45
    • TI-2023-12492 Resource allocation without limits in JenkinsPriority LOW 35
    • TI-2023-12491 Resource allocation without limits in JenkinsPriority LOW 35

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat OpenShift Container Platform 3.11AffectedNo fix planned: Out of support scope
Red Hat OpenShift Container Platform 4AffectedNo fix yet
OpenShift Developer Tools and Services for OCP 4.13Fixed RHSA-2023:3299
Not affected: 1 product
  • OpenShift Developer Tools and Services for OCP 4.13

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-27902
  2. 2026-10-03 Alias added: GHSA-cj6r-8pxj-5jv6

References

  • TI-2024-15885 Path traversal in Jenkins KEVCVSS 3.1CRITICAL 9.8
  • TI-2018-16080 A code execution vulnerability exists in the Stapler web framework used by Jenkins 2.153… KEVCVSS 3.1CRITICAL 9.8
  • TI-2017-14573 Jenkins versions 2.56 and earlier as well as 2.46.1 LTS and earlier are vulnerable to an… KEVCVSS 3.1CRITICAL 9.8
  • TI-2023-23979 The HTTP/2 protocol allows a denial of service (server resource consumption) because… KEVCVSS 3.1HIGH 7.5
  • TI-2015-04472 The Fingerprints pages in Jenkins before 1.638 and LTS before 1.625.2 might allow remote… KEVCVSS 3.1HIGH 7.5
  • TI-2016-07596 The remoting module in Jenkins before 2.32 and LTS before 2.19.3 allows remote attackers… CVSS 3.0CRITICAL 9.8
See all 293 →

Sources