Vulnerability in AMD 1st Gen Epyc™ Processors
CVE-2023-20587
Improper Access Control in System Management Mode (SMM) may allow an attacker access to the SPI flash potentially leading to arbitrary code execution.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.002 (6.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 6th percentile — 6.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- AMD 1st Gen Epyc™ Processors — versions various
- AMD 2nd Gen Epyc™ Processors — versions various
- AMD 3rd Gen Epyc™ Processors — versions various
- AMD 4th Gen Epyc™ Processors — versions various
- AMD Epyc(tm) Embedded 3000 — versions various
- AMD Epyc(tm) Embedded 7002 — versions various
- AMD Epyc(tm) Embedded 7003 — versions various
- AMD Epyc(tm) Embedded 9003 — versions various
Weakness classification (CWE)
References
- www.amd.com/en/corporate/product-security/bulletin/AMD-SB-7009 (vendor-advisory)
Frequently asked questions
- What is CVE-2023-20587?
- CVE-2023-20587 is a high-severity vulnerability in AMD 1st Gen Epyc™ Processors, classified under Improper Access Control. CVSS score: 7.1/10. Published 2024-02-13.
- How severe is CVE-2023-20587?
- High severity. CVSS v3 base score is 7.1 out of 10.