CVE-2023-31343 describes an improper input validation vulnerability in an SMM handler, which could allow a highly privileged attacker to overwrite SMRAM and achieve arbitrary code execution. With a CVSS score of 7.5 (HIGH), this vulnerability requires high privileges and high attack complexity, but could lead to complete compromise of confidentiality, integrity, and availability. There is currently no public exploit code available (Metasploit, Nuclei, ExploitDB), and it is not listed on CISA's KEV catalog, indicating no active exploitation. Community discussion and media coverage are also minimal.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
| AMD | AMD Athlon™ 3000 Series Desktop Processors With Radeon™ Graphics | Range not provided by sourceCNA affecteddefault affected | |
| AMD | AMD Athlon™ 3000 Series Mobile Processors With Radeon™ Graphics | Range not provided by sourceCNA affecteddefault affected | |
| AMD | AMD EPYC™ 7003 Processors | Range not provided by sourceCNA affecteddefault affected | |
| AMD | AMD EPYC™ 9004 Processors | Range not provided by sourceCNA affecteddefault affected | |
| AMD | AMD EPYC™ Embedded 7003 | Range not provided by sourceCNA affecteddefault affected |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.