Home/CVE/Jenkins 2.540 and earlier, LTS 2.528.2 and earlier does not properly close HTTP-based CLI connections when the connectio
CVE

CVE-2025-67635

Jenkins 2.540 and earlier, LTS 2.528.2 and earlier does not properly close HTTP-based CLI connections when the connectio

Jenkins 2.540 and earlier, LTS 2.528.2 and earlier does not properly close HTTP-based CLI connections when the connection stream becomes corrupted, allowing unauthenticated attackers to cause a denial of service.

HIGH · CVSS 7.5 EPSS 0.00178
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-404Improper Resource Shutdown or Release
▤

Affected Products & Versions

2
jenkins< 2.528.3
jenkins< 2.541
▤

Affected Packages

2
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Maven org.jenkins-ci.main:cli HIGH fixed in 2.541
Maven org.jenkins-ci.main:jenkins-core HIGH fixed in 2.541
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · jenkinsci-cert@googlegroups.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD10 Dec 2025 · 05:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

10
rhsaRHSA-2025:23487Moderate
rhsaRHSA-2025:23486Moderate
rhsaRHSA-2025:23489Moderate
rhsaRHSA-2025:23488Moderate
rhsaRHSA-2025:23482Moderate
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.jenkins.io/security/advisory/2025-12-10/#SECURITY-3630Vendor Advisory
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