CVE-2023-20563Insufficient protections in System Management Mode (SMM) code may allow an attacker to potentially enable escalation of privilege via…
- 7.8HighCVSS base score
- 0.20%Exploitation in 30 daysEPSS · top 90% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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 (14 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.
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
References2
- 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)
- EUVD EUVD-2023-24742 (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://cveledger.app/cve/CVE-2023-20563)Record last updated .