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CVE-2023-20587
Improper Access Control in System Management Mode (SMM) may allow an attacker access to the SPI flash potentially leading to arbitrary…
High7.1EPSS 0.17%
- Published
- Updated
- Reserved
- Assigned by
- AMD
Description
Improper Access Control in System Management Mode (SMM) may allow an attacker access to the SPI flash potentially leading to arbitrary code execution.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | High7.1 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N |
| NVDNVD · Deferred | 3.1 | High7.1 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N |
- EPSS (exploitation in 30 days)
- 0.17% · top 93% of all CVEs (4 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.1.
Weakness
Affected products
AMD · 3rd Gen AMD EPYC™ Processors
- affected various
AMD · 4th Gen AMD EPYC™ Processors
- affected various
AMD · 1st Gen AMD EPYC™ Processors
- affected various
AMD · 2nd Gen AMD EPYC™ Processors
- affected various
AMD · AMD EPYC(TM) Embedded 3000
- affected various
AMD · AMD EPYC(TM) Embedded 7002
- affected various
AMD · AMD EPYC(TM) Embedded 7003
- affected various
AMD · AMD EPYC(TM) Embedded 9003
- affected various
References (1)
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-7009 (opens in a new tab)vendor-advisoryx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2023-20587)Record last updated .