CVE-2021-45687 json
Deserialization of Untrusted Data in rust-cpuid
published 2021-01-20 5 y ago modified 2026-06-17 4 mo ago also GHSA-jf5h-cf95-w759 , GHSA-w428-f65r-h4q2 , RUSTSEC-2021-0089 , EUVD-2022-0714
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.2%
- EPSS 1.2% chance of exploitation in 30 days, percentile 67%
- public exploits
- 0
- none known
Summary
An issue was discovered in the raw-cpuid crate before 9.1.1 for Rust. If the serialize feature is used (which is not the the default), a Deserialize operation may lack sufficient validation, leading to memory corruption or a panic.
Patch / fix
- crates.io raw-cpuid 9.1.1
- raw-cpuid_project raw-cpuid 9.1.1
Exploit prediction
1.16% chance of exploitation in the next 30 days, higher than 67% 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 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
| GitHub | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| crates.io | raw-cpuid | >=3.1.0, <9.1.1 >=3.1.1-0, <9.1.1 |
9.1.1 |
Classification
References
-
rustsec.org
/advisories/RUSTSEC-2021-0089.html
web, third-party-advisory, advisory
-
raw.githubusercontent.com
/rustsec/advisory-db/main/crates/raw-cpuid/RUSTSEC-2021-0089.md
web, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-45687
advisory
-
github.com
/gz/rust-cpuid/issues/43
web, report
-
github.com
/gz/rust-cpuid
package
-
crates.io
/crates/raw-cpuid
package
Sources
- CVE List CVE-2021-45687
- GitHub Advisory GHSA-w428-f65r-h4q2
- GitHub Advisory GHSA-jf5h-cf95-w759
- NVD CVE-2021-45687
- OSV RUSTSEC-2021-0089
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.