CVE-2024-27199
JetBrains — JetBrains TeamCity Relative Path Traversal Vulnerability
JetBrains · CWE-23 | CWE-22 — Path traversal · in CISA KEV since 2026-04-20
EVRS 93 of 100 Immediate
Patch Immediately
Rank 73 of 2,954 tracked
Why it scores 93
Evidence available: 6 of 7 signalsListed in the CISA KEV catalog, and associated with known ransomware campaigns.
- CISA KEVApplied
- RansomwareApplied
- Vendor exploitationDid not apply
- EPSSApplied
- Microsoft Exploitability IndexNot applicable
- Pre-patch disclosureNo data
- KEV recencyDid not apply
- CVSSApplied
The band answers “how soon”, not “how bad”. No data for: Pre-patch disclosure. Why some signals show no data
Fix
Patch or fixed version identifiedCISA required action
- www.jetbrains.com/…/issues-fixed
- blog.jetbrains.com/…/additional-critical-security-issues-affecting-teamcity-on-premises-cve-2024-27198-and-cve-2024-27199-update-to-2023-11-4-now
- nvd.nist.gov/…/CVE-2024-27199
Fixed in
teamcity: update to 2023.11.4 or later
Affected versions
- teamcity
< 2023.11.4
Remediation
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Fixed versions from NVD.
Evidence
Each value with its source| Measure | Value | Source |
|---|---|---|
| CVSS base scoreHow severe the flaw is in itself. It does not say how likely an attack is. | 7.3 | NVD |
| FIRST EPSSFIRST's estimate of the chance this is exploited in the next 30 days, and how that ranks against all CVEs. | 0.999 (99.99th pctl) | FIRST EPSS |
| Actively exploitedWhether a source of record has confirmed attacks using it in the wild. | Confirmed | CISA KEV |
| Ransomware campaign useWhether CISA has seen ransomware operators use it. | Known | CISA KEV |
| CISA remediation deadlineThe date US federal agencies must have fixed or mitigated it. | 2026-05-04 · CISA federal deadline · Overdue by 6 months | CISA KEV |
| Public exploit moduleA module existing is not the same as active exploitation. | None known | Metasploit |
| EUVD cross-referenceENISA's record: CVSS 7.3 (v3.1), assigned by JetBrains. | Listed | ENISA EUVD |
Description
NVDIn JetBrains TeamCity before 2023.11.4 path traversal allowing to perform limited admin actions was possible
What CISA says to do