CVE-2023-20563
Insufficient protections in System Management Mode (SMM) code may allow an attacker to potentially enable escalation of privilege via…
- Published
- Updated
- Reserved
- Assigned by
- AMD
Description
Insufficient protections in System Management Mode (SMM) code may allow an attacker to potentially enable escalation of privilege via local access.
Timeline
ID reserved
By AMD
- 13 months later
· 13 months later
Published
- 11 months later
· 11 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.20% · top 90% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Weakness
- CWE-noinfo Not enough information
- CWE-269 (opens in a new tab)All about CWE-269 and its CVEs
Affected products
AMD · Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics “Cezanne”
- affected various
AMD · Ryzen™ 7000 Series Desktop Processors “Raphael” XD3
- affected various
AMD · Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics “Cezanne”
- affected various
AMD · AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics "Rembrandt"
- affected various
AMD · AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics “Rembrandt-R”
- affected various
AMD · AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics “Barcelo”
- affected various
AMD · AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics “Barcelo-R”
- affected various
AMD · Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics “Phoenix” FP7/FP7r2/FP8
- affected various
AMD · AMD Ryzen™ Embedded R1000
- affected various
AMD · AMD Ryzen™ Embedded R2000
- affected various
AMD · AMD Ryzen™ Embedded 5000
- affected various
AMD · AMD Ryzen™ Embedded V3000
- affected various
References (2)
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4002 (opens in a new tab)vendor-advisoryx_transferred
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-5001 (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-2023-20563)Record last updated .