How severe is CVE-2025-53666?

CVE-2025-53666 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2025-53666 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-53666?

CVE-2025-53666 affects Jenkins Dead Man's Snitch. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-53666?

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

Does CVE-2025-53666 have an EU (EUVD) identifier?

Yes. CVE-2025-53666 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-20848.

When was CVE-2025-53666 published?

CVE-2025-53666 was published on 2025-07-09 and last updated on 2026-06-17.

CVE-2025-53666

CVE-2025-53666 is a medium-severity vulnerability in Jenkins Dead Man's Snitch with a CVSS 3.x base score of 6.5. 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-311.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-20848
Weakness: CWE-311
Affected product: Jenkins Dead Man's Snitch
Published: 2025-07-09
Last modified: 2026-06-17

Description

Jenkins Dead Man's Snitch Plugin 0.1 stores Dead Man's Snitch 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-2025-53666?: Jenkins Dead Man's Snitch Plugin 0.1 stores Dead Man's Snitch 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-2025-53666?: CVE-2025-53666 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2025-53666 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-53666?: CVE-2025-53666 affects Jenkins Dead Man's Snitch. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-53666?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-53666 have an EU (EUVD) identifier?: Yes. CVE-2025-53666 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-20848.
When was CVE-2025-53666 published?: CVE-2025-53666 was published on 2025-07-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:jenkins:dead_man\'s_snitch:0.1:*:*:*:*:jenkins:*:*

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