CVE-2023-20596

3 documents3 sources
Severity
9.8CRITICAL
EPSS
0.4%
top 40.00%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedNov 14

Description

Improper input validation in the SMM Supervisor may allow an attacker with a compromised SMI handler to gain Ring0 access potentially leading to arbitrary code execution.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

🔴Vulnerability Details

2
CVEList
CVE-2023-20596: Improper input validation in the SMM Supervisor may allow an attacker with a compromised SMI handler to gain Ring0 access potentially leading to arbit2023-11-14
GHSA
GHSA-r2mq-3mfq-2p2w: Improper input validation in the SMM Supervisor may allow an attacker with a compromised SMI handler to gain Ring0 access potentially leading to arbit2023-11-14
CVE-2023-20596 (CRITICAL CVSS 9.8) | Improper input validation in the SM | cvebase.io