VulnerabilityModified
CVE-2021-45696
An issue was discovered in the sha2 crate 0.9.7 before 0.9.8 for Rust.
CRITICAL 9.8EPSS 0.80%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.80%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An issue was discovered in the sha2 crate 0.9.7 before 0.9.8 for Rust. Hashes of long messages may be incorrect when the AVX2-accelerated backend is used.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.80% probability · 55th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-327
- Affected
- sha2 project/sha2
- Source
- cve@mitre.org
References
- https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/sha2/RUSTSEC-2021-0100.mdThird Party Advisory
- https://rustsec.org/advisories/RUSTSEC-2021-0100.htmlThird Party Advisory
- https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/sha2/RUSTSEC-2021-0100.mdThird Party Advisory
- https://rustsec.org/advisories/RUSTSEC-2021-0100.htmlThird Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.