VulnerabilityModified
CVE-2023-20563
Insufficient protections in System Management Mode (SMM) code may allow an attacker to potentially enable escalation of privilege via local access.
HIGH 7.8EPSS 0.20%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.20%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Insufficient protections in System Management Mode (SMM) code may allow an attacker to potentially enable escalation of privilege via local access.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.20% probability · 10th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-269
- Affected
- amd/ryzen 3 5100 firmware · amd/ryzen 3 5300g firmware · amd/ryzen 3 5300ge firmware · amd/ryzen 5 5500 firmware · amd/ryzen 5 5600g firmware · amd/ryzen 5 5600ge firmware · amd/ryzen 7 5700 firmware · amd/ryzen 7 5700g firmware · amd/ryzen 7 5700ge firmware · amd/ryzen 5 7500f firmware · amd/ryzen 5 7600 firmware · amd/ryzen 5 7600x firmware · amd/ryzen 7 7700 firmware · amd/ryzen 7 7700x firmware · amd/ryzen 7 7800x3d firmware · amd/ryzen 9 7900 firmware · amd/ryzen 9 7900x firmware · amd/ryzen 9 7900x3d firmware · amd/ryzen 9 7950x firmware · amd/ryzen 9 7950x3d firmware · +40 more
- Source
- psirt@amd.com
References
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4002Vendor Advisory
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-5001
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4002Vendor Advisory
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-5001
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.