CVE-2023-20558
high-risk
Published 2023-04-02
Insufficient control flow management in AmdCpmOemSmm may allow a privileged attacker to tamper with the SMM handler potentially leading to an escalation of privileges.
Do I need to act?
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0.39% 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
8
CVSS 8.8/10
High
NETWORK
/ LOW complexity
Affected Products (20)
Affected Vendors
References (2)
60
/ 100
high-risk
Severity
30/34 · Critical
Exploitability
1/34 · Minimal
Exposure
29/34 · Critical