CVE-2021-45696 is a critical vulnerability affecting the sha2 crate 0.9.7 and earlier for Rust, where the AVX2-accelerated backend can produce incorrect hashes for long messages. With a CVSS score of 9.8, this network-exploitable flaw has high impacts on confidentiality, integrity, and availability, indicating a severe risk of data corruption or bypass of cryptographic checks. There is currently no evidence of active exploitation, public exploit code, or significant community discussion, suggesting it is not widely targeted at this time.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
0.9.7CPE matchmatch criteria | cpe:2.3:a:sha2_project:sha2:0.9.7:*:*:*:*:rust:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.