CVE-2024-27199
In JetBrains TeamCity before 2023.11.4 path traversal allowing to perform limited admin actions was possible
- Published
- Updated
- Reserved
- Assigned by
- JetBrains
Description
In JetBrains TeamCity before 2023.11.4 path traversal allowing to perform limited admin actions was possible
Exploited in the wild
CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as JetBrains TeamCity Relative Path Traversal Vulnerability.
- Added
- 20 Apr 2026
- Fix due (US federal)
- 4 May 2026
- Used by ransomware
- Known
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Public exploit
A reference of the record is tagged as an exploit or proof of concept: anyone can try it against an unpatched system. CISA's SSVC rates its exploitation: it is being exploited.
Timeline
ID reserved
By JetBrains
- 12 days later
· 12 days later
Published
- 2 years later
· 2 years later
Added to CISA KEV
Known exploited, also by ransomware
- 1 day later
· 1 day later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| JetBrainsCNA (assigner) | 3.1 | High7.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
| NVDNVD · Analyzed | 3.1 | High7.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
- EPSS (exploitation in 30 days)
- 100.0% · top 0.1% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: active · Automatable: yes · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.3.
Weakness
Affected products
References (4)
- https://www.jetbrains.com/privacy-security/issues-fixed/ (opens in a new tab)x_transferred
- https://www.darkreading.com/cyberattacks-data-breaches/jetbrains-teamcity-mass-exploitation-underway-rogue-accounts-thrive (opens in a new tab)x_transferred
- https://github.com/Stuub/RCity-CVE-2024-27198/blob/main/RCity.py (opens in a new tab)exploit
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-27199 (opens in a new tab)government-resource
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- CISA KEV catalog (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2024-27199)Record last updated .