CVE-2021-25774 json
In JetBrains TeamCity before 2020.2.1, a user could get access to the GitHub access token of another user.
published 2021-02-03 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-12657
- cvss
- 4.3
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 52%
- public exploits
- 0
- none known
Summary
In JetBrains TeamCity before 2020.2.1, a user could get access to the GitHub access token of another user.
Patch / fix
- jetbrains teamcity 2020.2.1
Exploit prediction
0.67% chance of exploitation in the next 30 days, higher than 52% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:P/I:N/A:N |
Classification
- Weakness
-
- CWE-863 Incorrect Authorization
References
-
blog.jetbrains.com
/blog/2021/02/03/jetbrains-security-bulletin-q4-2020/
vendor-advisory
-
blog.jetbrains.com
product
Sources
- CVE List CVE-2021-25774
- NVD CVE-2021-25774
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