Vulnerability Details : CVE-2021-45709
An issue was discovered in the crypto2 crate through 2021-10-08 for Rust. During Chacha20 encryption and decryption, an unaligned read of a u32 may occur.
Products affected by CVE-2021-45709
- cpe:2.3:a:crypto2_project:crypto2:*:*:*:*:*:rust:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-45709
0.16%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 53 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-45709
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2021-45709
-
The product uses a broken or risky cryptographic algorithm or protocol.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-45709
-
https://rustsec.org/advisories/RUSTSEC-2021-0121.html
RUSTSEC-2021-0121: crypto2: Non-aligned u32 read in Chacha20 encryption and decryption › RustSec Advisory DatabaseThird Party Advisory
-
https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/crypto2/RUSTSEC-2021-0121.md
Third Party Advisory
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