CVE-2021-26309 json
Information disclosure in the TeamCity plugin for IntelliJ before 2020.2.2.85899 was possible because a local temporary file had Insecure P…
published 2021-05-11 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-13115
- cvss
- 3.3
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 14%
- public exploits
- 0
- none known
Summary
Information disclosure in the TeamCity plugin for IntelliJ before 2020.2.2.85899 was possible because a local temporary file had Insecure Permissions.
Patch / fix
- jetbrains teamcity 2020.2.2.85899
Exploit prediction
0.24% chance of exploitation in the next 30 days, higher than 14% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 3.3 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
| NVD | 2.0 | 2.1 | AV:L/AC:L/Au:N/C:P/I:N/A:N |
Classification
- Weakness
-
- CWE-668 Exposure of Resource to Wrong Sphere
References
-
blog.jetbrains.com
vendor-advisory
-
blog.jetbrains.com
/blog/2021/05/07/jetbrains-security-bulletin-q1-2021/
vendor-advisory
Sources
- CVE List CVE-2021-26309
- NVD CVE-2021-26309
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.