CVE-2021-43202 json
In JetBrains TeamCity before 2021.1.3, the X-Frame-Options header is missing in some cases.
published 2021-11-30 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-30146
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.1%
- EPSS 1.1% chance of exploitation in 30 days, percentile 65%
- public exploits
- 0
- none known
Summary
In JetBrains TeamCity before 2021.1.3, the X-Frame-Options header is missing in some cases.
Patch / fix
- jetbrains teamcity 2021.1.3
Exploit prediction
1.10% chance of exploitation in the next 30 days, higher than 65% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
References
Sources
- CVE List CVE-2021-43202
- NVD CVE-2021-43202
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.