Privilege escalation in AMD Ryzen™ 5000 Series Processors With Radeon™ Graphics “Barcelo”
CVE-2023-20563
Insufficient protections in System Management Mode (SMM) code may allow an attacker to potentially enable escalation of privilege via local access.
Vulnerability class: Privilege Escalation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (9.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 10th percentile — 9.7% 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 Ryzen™ 5000 Series Processors With Radeon™ Graphics “Barcelo” — versions various
- AMD Ryzen™ 6000 Series Processors With Radeon™ Graphics "Rembrandt" — versions various
- AMD Ryzen™ 7030 Series Mobile Processors With Radeon™ Graphics “Barcelo-R” — versions various
- AMD Ryzen™ 7035 Series Processors With Radeon™ Graphics “Rembrandt-R” — versions various
- AMD Ryzen™ Embedded 5000 — versions various
- AMD Ryzen™ Embedded R1000 — versions various
- AMD Ryzen™ Embedded R2000 — versions various
- AMD Ryzen™ Embedded V3000 — versions various
- AMD Ryzen 3 5100
- AMD Ryzen 3 5100 Firmware
Weakness classification (CWE)
References
- www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4002 (vendor-advisory, Vendor Advisory)
- www.amd.com/en/corporate/product-security/bulletin/AMD-SB-5001 (vendor-advisory)
Frequently asked questions
- What is CVE-2023-20563?
- CVE-2023-20563 is a high-severity vulnerability in AMD Ryzen™ 5000 Series Processors With Radeon™ Graphics “Barcelo”, classified under Improper Privilege Management. CVSS score: 7.8/10. Published 2023-11-14.
- How severe is CVE-2023-20563?
- High severity. CVSS v3 base score is 7.8 out of 10.