CVE-2021-25755 json
In JetBrains Code With Me before 2020.3, an attacker on the local network, knowing a session ID, could get access to the encrypted traffic.
published 2021-02-03 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-12638
- cvss
- 2.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 32%
- public exploits
- 0
- none known
Summary
In JetBrains Code With Me before 2020.3, an attacker on the local network, knowing a session ID, could get access to the encrypted traffic.
Patch / fix
- jetbrains code_with_me 2020.3
Exploit prediction
0.38% chance of exploitation in the next 30 days, higher than 32% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- jay-from-future.github.io https://jay-from-future.github.io/cve/2021/04/02/code-with-me-cve.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 2.5 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N |
| NVD | 2.0 | 1.9 | AV:L/AC:M/Au:N/C:P/I:N/A:N |
References
-
jay-from-future.github.io
/cve/2021/04/02/code-with-me-cve.html
exploit, third-party-advisory
-
blog.jetbrains.com
/blog/2021/02/03/jetbrains-security-bulletin-q4-2020/
vendor-advisory
-
blog.jetbrains.com
product
Sources
- CVE List CVE-2021-25755
- NVD CVE-2021-25755
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.