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TI-2020-01981 Aliases CVE-2020-2104GHSA-r78q-qgx6-64pp

Incorrect authorization in Jenkins

Priority LOW 22CWE-863Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
None · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-863.

Summary

Jenkins 2.218 and earlier, LTS 2.204.1 and earlier allowed users with Overall/Read access to view a JVM memory usage chart.

Why it matters now

EPSS 0.01074 65th percentileScored 2026-11-07
Fix Fixed org.jenkins-ci.main:jenkins-core (Maven): 2.204.2, 2.219

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
JenkinsJenkinsup to 2.218; up to LTS 2.204.1—No fix listedCNA
—org.jenkins-ci.main:jenkins-core (Maven)before 2.204.22.204.2Patch availableGHSA-r78q-qgx6-64pp
—org.jenkins-ci.main:jenkins-core (Maven)2.205 to before 2.2192.219Patch availableGHSA-r78q-qgx6-64pp
  • Jenkins VendorJenkins Affected up to 2.218; up to LTS 2.204.1 Fixed in — No fix listed CNA
  • org.jenkins-ci.main:jenkins-core (Maven) Vendor— Affected before 2.204.2 Fixed in 2.204.2 Patch available GHSA-r78q-qgx6-64pp
  • org.jenkins-ci.main:jenkins-core (Maven) Vendor— Affected 2.205 to before 2.219 Fixed in 2.219 Patch available GHSA-r78q-qgx6-64pp

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:*up to 2.204.1VulnerableJenkins
cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:*up to 2.218VulnerableJenkins
  • cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:* Versions up to 2.204.1 Vulnerable ·Jenkins
  • cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:* Versions up to 2.218 Vulnerable ·Jenkins

Remediation

  • Fix · GHSA-r78q-qgx6-64pp org.jenkins-ci.main:jenkins-core (Maven) Fixed in 2.204.2 Advisory →
  • Fix · GHSA-r78q-qgx6-64pp org.jenkins-ci.main:jenkins-core (Maven) Fixed in 2.219 Advisory →

Fixed in the same release

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

  • Advisory ·

    Jenkins — RHBA-2020:0402

    7 records Highest priority Priority LOW 7 LOW

    Other records, highest priority first

    • TI-2020-01976 Jenkins 2.213 and earlier, LTS 2.204.1 and earlier improperly reuses encryption key…Priority LOW 39
    • TI-2020-01980 Information disclosure in JenkinsPriority LOW 34
    • TI-2020-01977 Jenkins 2.218 and earlier, LTS 2.204.1 and earlier was vulnerable to a UDP amplification…Priority LOW 32
    Show all 7 records → Advisory →
  • Advisory ·

    Jenkins — RHBA-2020:0675

    7 records Highest priority Priority LOW 7 LOW

    Other records, highest priority first

    • TI-2020-01976 Jenkins 2.213 and earlier, LTS 2.204.1 and earlier improperly reuses encryption key…Priority LOW 39
    • TI-2020-01980 Information disclosure in JenkinsPriority LOW 34
    • TI-2020-01977 Jenkins 2.218 and earlier, LTS 2.204.1 and earlier was vulnerable to a UDP amplification…Priority LOW 32
    Show all 7 records → Advisory →

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat OpenShift Container Platform 3.11Fixed—
Red Hat OpenShift Container Platform 4.3Fixed—
Red Hat OpenShift Container Platform 4.4Fixed—
Red Hat OpenShift Container Platform 4.5Fixed—
Not affected: 1 product
  • Red Hat OpenShift Container Platform 4.3

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-2104
  2. 2026-10-03 Alias added: GHSA-r78q-qgx6-64pp
  3. 2026-10-31 Fix available: Red Hat OpenShift Container Platform 4.4, Red Hat OpenShift Container Platform 4.5 · Red Hat

References

Advisory 7

Other 2

  • 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

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences