How severe is CVE-2025-67637?

CVE-2025-67637 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2025-67637 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-67637?

CVE-2025-67637 primarily affects Jenkins. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-67637?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-67637 have an EU (EUVD) identifier?

Yes. CVE-2025-67637 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-202459.

When was CVE-2025-67637 published?

CVE-2025-67637 was published on 2025-12-10 and last updated on 2026-06-17.

CVE-2025-67637

CVE-2025-67637 is a medium-severity vulnerability in Jenkins with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-312.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-202459
Weakness: CWE-312
Affected product: Jenkins
Published: 2025-12-10
Last modified: 2026-06-17

Description

Jenkins 2.540 and earlier, LTS 2.528.2 and earlier stores build authorization tokens unencrypted in job config.xml files on the Jenkins controller where they can be viewed by users with Item/Extended Read permission or access to the Jenkins controller file system.

Frequently asked questions

What is CVE-2025-67637?: Jenkins 2.540 and earlier, LTS 2.528.2 and earlier stores build authorization tokens unencrypted in job config.xml files on the Jenkins controller where they can be viewed by users with Item/Extended Read permission or access to the Jenkins controller file system.
How severe is CVE-2025-67637?: CVE-2025-67637 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2025-67637 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-67637?: CVE-2025-67637 primarily affects Jenkins. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-67637?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-67637 have an EU (EUVD) identifier?: Yes. CVE-2025-67637 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-202459.
When was CVE-2025-67637 published?: CVE-2025-67637 was published on 2025-12-10 and last updated on 2026-06-17.

References

https://www.jenkins.io/security/advisory/2025-12-10/#SECURITY-783

Affected products (2)

cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:*
cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:*

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Threat intelligence

Threat-intel indicators referencing this CVE:

125.212.235.194 (ipv4-addr)
220.95.208.142 (ipv4-addr)
46.99.188.194 (ipv4-addr)