CVE-2021-46756
high-risk
Published 2023-05-09
Insufficient validation of inputs in SVC_MAP_USER_STACK in the ASP (AMD Secure Processor) bootloader may allow an attacker with a malicious Uapp or ABL to send malformed or invalid syscall to the bootloader resulting in a potential denial of service and loss of integrity.
Do I need to act?
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0.15% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.1/10
Critical
NETWORK
/ LOW complexity
Affected Products (20)
Affected Vendors
References (4)
59
/ 100
high-risk
Severity
31/34 · Critical
Exploitability
1/34 · Minimal
Exposure
27/34 · High