How severe is CVE-2024-27199?

CVE-2024-27199 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2024-27199 being actively exploited?

Yes. CVE-2024-27199 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2026-04-20, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2024-27199?

CVE-2024-27199 affects Jetbrains Teamcity. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-27199?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2024-27199 have an EU (EUVD) identifier?

Yes. CVE-2024-27199 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-24438. It is also flagged as exploited in the EUVD (since 2026-04-20).

When was CVE-2024-27199 published?

CVE-2024-27199 was published on 2024-03-04 and last updated on 2026-06-17.

CVE-2024-27199

CVE-2024-27199 is a high-severity vulnerability in Jetbrains Teamcity with a CVSS 3.x base score of 7.3. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2026-04-20). The underlying weakness is classified as CWE-22.

Key facts

Severity: High (CVSS 3.x base score 7.3)
EPSS exploit prediction: 100% (100th percentile)
Actively exploited: Yes — listed in CISA KEV (added 2026-04-20)
EU (EUVD) id: EUVD-2024-24438
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2026-04-20)
Weakness: CWE-22
Affected product: Jetbrains Teamcity
Published: 2024-03-04
Last modified: 2026-06-17

Description

In JetBrains TeamCity before 2023.11.4 path traversal allowing to perform limited admin actions was possible

Frequently asked questions

What is CVE-2024-27199?: In JetBrains TeamCity before 2023.11.4 path traversal allowing to perform limited admin actions was possible
How severe is CVE-2024-27199?: CVE-2024-27199 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2024-27199 being actively exploited?: Yes. CVE-2024-27199 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2026-04-20, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2024-27199?: CVE-2024-27199 affects Jetbrains Teamcity. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-27199?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2024-27199 have an EU (EUVD) identifier?: Yes. CVE-2024-27199 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-24438. It is also flagged as exploited in the EUVD (since 2026-04-20).
When was CVE-2024-27199 published?: CVE-2024-27199 was published on 2024-03-04 and last updated on 2026-06-17.

References

Affected products (1)

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

More vulnerabilities in Jetbrains Teamcity

CVE-2026-63077 — Critical (CVSS 9.8): In JetBrains TeamCity before 2026.1.3, 2025.11.7 unauthenticated remote code execution was possible via the agent…
CVE-2024-27198 — Critical (CVSS 9.8): In JetBrains TeamCity before 2023.11.4 authentication bypass allowing to perform admin actions was possible
CVE-2024-23917 — Critical (CVSS 9.8): In JetBrains TeamCity before 2023.11.3 authentication bypass leading to RCE was possible
CVE-2023-42793 — Critical (CVSS 9.8): In JetBrains TeamCity before 2023.05.4 authentication bypass leading to RCE on TeamCity Server was possible
CVE-2022-25263 — Critical (CVSS 9.8): JetBrains TeamCity before 2021.2.3 was vulnerable to OS command injection in the Agent Push feature configuration.
CVE-2022-24340 — Critical (CVSS 9.8): In JetBrains TeamCity before 2021.2.1, XXE during the parsing of the configuration file was possible.

All CVEs affecting Jetbrains Teamcity →

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CVE-2026-59555 — Critical (CVSS 10.0): Unauthenticated Arbitrary File Deletion in Participants Database <= 2.7.8.3 versions.

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Threat intelligence

Threat-intel indicators referencing this CVE:

8.211.195.173 (ipv4-addr)