CVE-2021-31908
In JetBrains TeamCity before 2020.2.3, stored XSS was possible on several pages.
In JetBrains TeamCity before 2020.2.3, stored XSS was possible on several pages.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
In JetBrains TeamCity before 2020.2.3, stored XSS was possible on several pages.
- Record
CVE-2021-31908- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
In JetBrains TeamCity before 2020.2.3, stored XSS was possible on several pages.
- Record
CVE-2021-31908- Updated
- 2026-11-02
EUVDEUVD-2021-18783 No score
In JetBrains TeamCity before 2020.2.3, stored XSS was possible on several pages.
- Record
EUVD-2021-18783- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-pp43-c4m8-mq4p No score
In JetBrains TeamCity before 2020.2.3, stored XSS was possible on several pages.
In JetBrains TeamCity before 2020.2.3, stored XSS was possible on several pages.
- Record
GHSA-pp43-c4m8-mq4p- Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-31908 is a medium vulnerability (CVSS 5.4) in Jetbrains Teamcity, published May 11, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.47%, the 40th percentile. No source names a fixed version.