CVE-2024-27199
HighExploitedPublic exploitIn JetBrains TeamCity before 2023.11.4 path traversal allowing to perform limited admin actions was possible
Published Mar 4, 2024 · Updated Apr 21, 2026
Key Facts
Patch immediately- CVE-2024-27199 is a high-severity vulnerability (CVSS 7.3 v3.1) affecting TeamCity (Jetbrains).
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Mar 5, 2024 and is known to be used in ransomware campaigns. Public exploit code is available.
- EPSS estimates a 100% probability of exploitation in the next 30 days.
- Fixed versions are available, including TeamCity 2023.11.4.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
7.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
EPSS (30-day exploit likelihood)
100%
Higher than 99.9% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings, used by ransomware
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2024-27199 brief as a PDF
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Description
In JetBrains TeamCity before 2023.11.4 path traversal allowing to perform limited admin actions was possible
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Apr 20, 2026 | May 4, 2026 | Known |
| Industry KEV feed | Mar 5, 2024 | May 4, 2026 | Known |
| CIRCL KEV | Mar 17, 2024 | May 4, 2026 | Not reported |
| ENISA EUVD | Apr 20, 2026 | n/a | Not reported |
Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Affected Products
2 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| TeamCityJetbrains | See advisory | 2023.11.4 |
Patched Releases
TeamCity
2023.11.4
Timeline
Publicly disclosed
Mar 4, 2024
Added to Industry KEV feed
Mar 5, 2024
Added to CIRCL KEV
Mar 17, 2024
Added to CISA KEV
Apr 20, 2026
Added to ENISA EUVD
Apr 20, 2026
Last updated
Apr 21, 2026
Weakness Type
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
- CWE-23 Relative Path Traversal
References
- advisoryhttps://www.jetbrains.com/privacy-security/issues-fixed/
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
FAQ
Common Questions.
In JetBrains TeamCity before 2023.11.4 path traversal allowing to perform limited admin actions was possible
Affected: TeamCity (Jetbrains). The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Mar 5, 2024 and is known to be used in ransomware campaigns.
Yes. It was added on Apr 20, 2026 with a federal remediation due date of May 4, 2026.
Public exploit code is available.
Fixed versions are available, including TeamCity 2023.11.4.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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