How severe is CVE-2025-52877?

CVE-2025-52877 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2025-52877 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 13% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-52877?

CVE-2025-52877 affects Jetbrains Teamcity. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-52877?

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

Does CVE-2025-52877 have an EU (EUVD) identifier?

Yes. CVE-2025-52877 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-28475.

When was CVE-2025-52877 published?

CVE-2025-52877 was published on 2025-06-23 and last updated on 2026-06-17.

CVE-2025-52877

CVE-2025-52877 is a medium-severity vulnerability in Jetbrains Teamcity with a CVSS 3.x base score of 4.8. Its EPSS exploit-prediction score of 13% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 4.8)
EPSS exploit prediction: 13% (96th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-28475
Weakness: CWE-79
Affected product: Jetbrains Teamcity
Published: 2025-06-23
Last modified: 2026-06-17

Description

In JetBrains TeamCity before 2025.03.3 reflected XSS on diskUsageBuildsStats page was possible

Frequently asked questions

What is CVE-2025-52877?: In JetBrains TeamCity before 2025.03.3 reflected XSS on diskUsageBuildsStats page was possible
How severe is CVE-2025-52877?: CVE-2025-52877 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-52877 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 13% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-52877?: CVE-2025-52877 affects Jetbrains Teamcity. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-52877?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-52877 have an EU (EUVD) identifier?: Yes. CVE-2025-52877 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-28475.
When was CVE-2025-52877 published?: CVE-2025-52877 was published on 2025-06-23 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:*:*:*:*:*:*:*:*

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