CVE-2021-31909
Critical
Published: 11 May 2021
Published
11 May 2021
Modified
21 November 2024
KEV Added
—
Patch
—
CVSS Score v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
0.0015
35.3th percentile
Risk Priority
20
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2021-31909 is a critical-severity Argument Injection (CWE-88) vulnerability in Jetbrains Teamcity. Its CVSS base score is 9.8 (Critical).
Operationally, ranked at the 35.3th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-18784
Vulnerability details
In JetBrains TeamCity before 2020.2.3, argument injection leading to remote code execution was possible.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
jetbrains
teamcity
≤ 2020.2.3
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.