What’s Vulnerable › Vulnerabilities

CVE-2023-39281

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-11-01 · updated 2026-06-17
• Weakness: CWE-787

Description

A stack buffer overflow vulnerability discovered in AsfSecureBootDxe in Insyde InsydeH2O with kernel 5.0 through 5.5 allows attackers to run arbitrary code execution during the DXE phase.

Affected products

• Insydeh2O: 05.45.24.0039, 05.44.45.0017, 05.44.34.0055, 05.53.28.0013, 05.45.38.0005, 05.53.23.0011 (+5)

References

• https://www.insyde.com/security-pledge
• https://www.insyde.com/security-pledge/SA-2023054
• https://www.insyde.com/security-pledge
• https://www.insyde.com/security-pledge/SA-2023054

Get alerted when CVE-2023-39281 or the next vulnerability affects your stack