Vulnerability · Published Jan 10, 2023 · Assigned by AMD
CVE-2021-26407
Medium 5.5
In plain English
A medium-severity weak randomness in 2nd Gen EPYC from AMD. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 9% of all known vulnerabilities).
Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.2%top 91.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A randomly generated Initialization Vector (IV) may lead to a collision of IVs with the same key potentially resulting in information disclosure.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| AMD | 2nd Gen EPYC | various |
Weakness: CWE-330 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N