CVE-2024-27199
JetBrains TeamCity contains a relative path traversal vulnerability that could allow limited admin actions to be performed.
Browse: All 2024 CVEs · All vendors
- CVSS score
- 7.3 High
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L- CISA KEV
- Yes — actively exploited (added 2026-04-20, remediation due 2026-05-04)
- Ransomware
- Known ransomware campaign use
- Weakness (CWE)
- CWE-23, CWE-22
- Published
- 2024-03-04
- Last modified
- 2026-06-17
- NVD status
- Analyzed
Description
JetBrains TeamCity contains a relative path traversal vulnerability that could allow limited admin actions to be performed.
Affected products
- jetbrains teamcity
Affected ranges per NVD CPE data; confirm exact versions in the vendor advisory.
Required action (CISA)
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. Federal remediation deadline: 2026-05-04.
How to prioritize this
This vulnerability is on the CISA KEV list, meaning it is being actively exploited — treat it as urgent regardless of the raw CVSS number. Use the live CVE lookup for the latest NVD data, and the CVSS 3.1 calculator to model your own environmental score. For the actively exploited vulnerabilities that matter this week, read The Exploit HQ daily security brief.
References
- https://www.darkreading.com/cyberattacks-data-breaches/jetbrains-teamcity-mass-exploitation-underway-rogue-accounts-thrive
- https://www.jetbrains.com/privacy-security/issues-fixed/
- https://github.com/Stuub/RCity-CVE-2024-27198/blob/main/RCity.py
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-27199
FAQ
Is CVE-2024-27199 actively exploited?
Yes. CISA added CVE-2024-27199 to its Known Exploited Vulnerabilities (KEV) catalog on 2026-04-20, with a federal remediation deadline of 2026-05-04. A KEV listing means real-world exploitation is confirmed, so patching this should be prioritized above many higher-CVSS bugs that aren't being exploited.
What is the CVSS score of CVE-2024-27199?
CVE-2024-27199 has a CVSS base score of 7.3 (High). Its vector string is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
Related vulnerabilities
- CVE-2026-63077 — JetBrains TeamCity
- CVE-2024-27198 — JetBrains TeamCity
- CVE-2023-42793 — JetBrains TeamCity
- CVE-2026-76519 — Cisco Secure Email Gateway
- CVE-2026-34926 — Trend Micro Apex One
- CVE-2025-64446 — Fortinet FortiWeb
Data source: NVD & CISA KEV. Shown as-is; nothing added. Last generated from NVD data — re-check the live tool for updates.
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