What’s Vulnerable › Vulnerabilities

CVE-2023-22613

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-04-11 · updated 2026-06-17
• Weakness: CWE-787

Description

An issue was discovered in IhisiSmm in Insyde InsydeH2O with kernel 5.0 through 5.5. It is possible to write to an attacker-controlled address. An attacker could invoke an SMI handler with a malformed pointer in RCX that overlaps SMRAM, resulting in SMM memory corruption.

Affected products

• Insydeh2O: 05.27.37, 05.36.37, 05.44.45, 05.52.45

References

• https://research.nccgroup.com/2023/04/11/stepping-insyde-system-management-mode/
• https://www.insyde.com/security-pledge
• https://www.insyde.com/security-pledge/SA-2023023
• https://research.nccgroup.com/2023/04/11/stepping-insyde-system-management-mode/
• https://www.insyde.com/security-pledge
• https://www.insyde.com/security-pledge/SA-2023023

Get alerted when CVE-2023-22613 or the next vulnerability affects your stack