Vulnerability · Published Feb 13, 2024 · Assigned by AMD
CVE-2023-20587
High 7.1
In plain English
A high-severity improper access control in 1st Gen AMD EPYC™ Processors 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 7% of all known vulnerabilities).
Severity (CVSS 3.1)7.1High
Exploit odds (30 days)0.2%top 93.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Improper Access Control in System Management Mode (SMM) may allow an attacker access to the SPI flash potentially leading to arbitrary code execution.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| AMD | 3rd Gen AMD EPYC™ Processors | various |
| AMD | 4th Gen AMD EPYC™ Processors | various |
| AMD | 1st Gen AMD EPYC™ Processors | various |
| AMD | 2nd Gen AMD EPYC™ Processors | various |
| AMD | AMD EPYC(TM) Embedded 3000 | various |
| AMD | AMD EPYC(TM) Embedded 7002 | various |
| AMD | AMD EPYC(TM) Embedded 7003 | various |
| AMD | AMD EPYC(TM) Embedded 9003 | various |
Weakness: CWE-284 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N