SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-46765

Insufficient input validation in ASP may allow an attacker with a compromised SMM to induce out-of-bounds memory reads within the ASP, potentially leading to a denial of service.

HIGH 7.5EPSS 0.62%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.62%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Insufficient input validation in ASP may allow an attacker with a compromised SMM to induce out-of-bounds memory reads within the ASP, potentially leading to a denial of service.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
0.62% probability · 48th percentile
CISA KEV
Not listed
Weakness
CWE-125
Affected
amd/ryzen 6600h firmware · amd/ryzen 6600hs firmware · amd/ryzen 6600u firmware · amd/ryzen 6800h firmware · amd/ryzen 6800hs firmware · amd/ryzen 6800u firmware · amd/ryzen 6900hs firmware · amd/ryzen 6900hx firmware · amd/ryzen 6980hs firmware · amd/ryzen 6980hx firmware · amd/ryzen 5300g firmware · amd/ryzen 5300ge firmware · amd/ryzen 5500 firmware · amd/ryzen 5600 firmware · amd/ryzen 5600g firmware · amd/ryzen 5600ge firmware · amd/ryzen 5600x firmware · amd/ryzen 5700g firmware · amd/ryzen 5700ge firmware · amd/ryzen 5700x firmware · +24 more
Source
psirt@amd.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.