CVE-2020-35912 json
An issue was discovered in the lock_api crate before 0.4.2 for Rust.
published 2020-12-31 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-1583
- cvss
- 4.7
- 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 11%
- public exploits
- 0
- none known
Summary
An issue was discovered in the lock_api crate before 0.4.2 for Rust. A data race can occur because of MappedRwLockWriteGuard unsoundness.
Patch / fix
- lock_api_project lock_api 0.4.2
- rust-lock-api Debian 14, Debian 13, Debian 12 0.4.5-1
debian advisories DEBIAN-CVE-2020-35912
Exploit prediction
0.21% chance of exploitation in the next 30 days, higher than 11% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 4.7 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 1.9 | AV:L/AC:M/Au:N/C:N/I:N/A:P |
Classification
- Weakness
-
- CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization
References
-
rustsec.org
/advisories/RUSTSEC-2020-0070.html
third-party-advisory
Sources
- CVE List CVE-2020-35912
- NVD CVE-2020-35912
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.