How severe is CVE-2025-31139?

CVE-2025-31139 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-2025-31139 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-31139?

CVE-2025-31139 affects Jetbrains Teamcity. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-31139?

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

Does CVE-2025-31139 have an EU (EUVD) identifier?

Yes. CVE-2025-31139 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-8293.

When was CVE-2025-31139 published?

CVE-2025-31139 was published on 2025-03-27 and last updated on 2026-06-17.

CVE-2025-31139

CVE-2025-31139 is a medium-severity vulnerability in Jetbrains Teamcity 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-532.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-8293
Weakness: CWE-532
Affected product: Jetbrains Teamcity
Published: 2025-03-27
Last modified: 2026-06-17

Description

In JetBrains TeamCity before 2025.03 base64 encoded password could be exposed in build log

Frequently asked questions

What is CVE-2025-31139?: In JetBrains TeamCity before 2025.03 base64 encoded password could be exposed in build log
How severe is CVE-2025-31139?: CVE-2025-31139 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-2025-31139 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-31139?: CVE-2025-31139 affects Jetbrains Teamcity. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-31139?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-31139 have an EU (EUVD) identifier?: Yes. CVE-2025-31139 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-8293.
When was CVE-2025-31139 published?: CVE-2025-31139 was published on 2025-03-27 and last updated on 2026-06-17.

References

https://www.jetbrains.com/privacy-security/issues-fixed/

Affected products (1)

cpe:2.3:a:jetbrains:teamcity:*:*:*:*:*:*:*:*

More vulnerabilities in Jetbrains Teamcity

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CVE-2022-24331 — Critical (CVSS 9.8): In JetBrains TeamCity before 2021.1.4, GitLab authentication impersonation was possible.

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