CVE-2024-23917
CriticalExploitedPublic exploitIn JetBrains TeamCity before 2023.11.3 authentication bypass leading to RCE was possible
Published Feb 6, 2024 · Updated Nov 21, 2024
Key Facts
Patch immediately- CVE-2024-23917 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting TeamCity (Jetbrains).
- It is exploited in the wild, listed in Industry KEV feed since Oct 17, 2025. Public exploit code is available.
- EPSS estimates a 54% probability of exploitation in the next 30 days.
- Fixed versions are available, including TeamCity 2023.11.3.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
54%
Higher than 98.9% of all scored CVEs
Exploited in the wild
Yes
1 catalog listing
Public exploit code
Available
Proof-of-concept or weaponized module
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Description
In JetBrains TeamCity before 2023.11.3 authentication bypass leading to RCE was possible
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | Oct 17, 2025 | n/a | Not reported |
Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Affected Products
2 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| TeamCityJetbrains | See advisory | 2023.11.3 |
Patched Releases
TeamCity
2023.11.3
Timeline
Publicly disclosed
Feb 6, 2024
Last updated
Nov 21, 2024
Added to Industry KEV feed
Oct 17, 2025
Weakness Type
- CWE-288 Authentication Bypass Using an Alternate Path or Channel
- CWE-306 Missing Authentication for Critical Function
References
FAQ
Common Questions.
In JetBrains TeamCity before 2023.11.3 authentication bypass leading to RCE was possible
Affected: TeamCity (Jetbrains). The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed since Oct 17, 2025.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including TeamCity 2023.11.3.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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