VulnerabilityModified
CVE-2021-46757
Insufficient checking of memory buffer in ASP Secure OS may allow an attacker with a malicious TA to read/write to the ASP Secure OS kernel virtual address space potentially leading to privilege escalation.
HIGH 7.8EPSS 0.18%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.18%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Insufficient checking of memory buffer in ASP Secure OS may allow an attacker with a malicious TA to read/write to the ASP Secure OS kernel virtual address space potentially leading to privilege escalation.
- 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
- 0.18% probability · 8th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- amd/ryzen embedded 5950e firmware · amd/ryzen embedded 5900e firmware · amd/ryzen embedded 5800e firmware · amd/ryzen embedded 5600e firmware · amd/ryzen embedded v2516 firmware · amd/ryzen embedded v2546 firmware · amd/ryzen embedded v2718 firmware · amd/ryzen embedded v2748 firmware · amd/ryzen embedded r2312 firmware · amd/ryzen embedded r2314 firmware
- Source
- psirt@amd.com
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.