VulnerabilityModified
CVE-2023-20558
Insufficient control flow management in AmdCpmOemSmm may allow a privileged attacker to tamper with the SMM handler potentially leading to an escalation of privileges.
HIGH 8.8EPSS 0.67%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.67%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Insufficient control flow management in AmdCpmOemSmm may allow a privileged attacker to tamper with the SMM handler potentially leading to an escalation of privileges.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.67% probability · 50th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-670
- Affected
- amd/ryzen 7 5700g firmware · amd/ryzen 7 5700ge firmware · amd/ryzen 5 5600g firmware · amd/ryzen 5 5600ge firmware · amd/ryzen 3 5300g firmware · amd/ryzen 3 5300ge firmware · amd/ryzen 9 5980hx firmware · amd/ryzen 9 5980hs firmware · amd/ryzen 7 5825u firmware · amd/ryzen 9 5900hx firmware · amd/ryzen 9 5900hs firmware · amd/ryzen 7 5825c firmware · amd/ryzen 7 5800h firmware · amd/ryzen 5 5625u firmware · amd/ryzen 7 5800hs firmware · amd/ryzen 5 5625c firmware · amd/ryzen 5 5600h firmware · amd/ryzen 5 5600hs firmware · amd/ryzen 7 5800u firmware · amd/ryzen 5 5600u firmware · +40 more
- Source
- psirt@amd.com
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.