CVE-2024-56352
Published: 20 December 2024
Summary
CVE-2024-56352 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Jetbrains Teamcity. Its CVSS base score is 4.6 (Medium).
Operationally, ranked in the top 2.9% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
In JetBrains TeamCity versions prior to 2024.12, a stored cross-site scripting vulnerability exists that allows malicious input via an image name to be persisted and rendered on the agent details page. The flaw is tracked as CWE-79 and carries a CVSS 3.1 base score of 4.6, reflecting network attack vector, low complexity, and low-privileged access with required user interaction.
An authenticated attacker with limited permissions can supply a crafted image name that is stored by the server and later executed in the browsers of other users who view the affected agent details page, resulting in limited disclosure or modification of information within the TeamCity application.
The official JetBrains security advisory at https://www.jetbrains.com/privacy-security/issues-fixed/ confirms that the issue is resolved in TeamCity 2024.12 and lists it among other fixed vulnerabilities.
The associated EPSS score stands at 0.34 with no material increase observed since disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2024-53121
Vulnerability details
In JetBrains TeamCity before 2024.12 stored XSS was possible via image name on the agent details page
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.
Validates web inputs to reject script-related content that could produce XSS.
Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.