CVE Catalog

CVE-2023-20577

HighCVSS 7.4
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.16%

5th percentile - higher than 5% of all known CVEs

Summary

A heap overflow in the SMM module may allow an attacker with access to a second vulnerability enabling writes to SPI flash to potentially execute arbitrary code.

Risk Assessment

Risk of firmware-level compromise, potentially leading to persistent system integrity violation.

Recommendation

Apply firmware updates provided by the vendor that address this vulnerability.

Related vulnerabilities

Original NVD description (English source)

A heap overflow in SMM module may allow an attacker with access to a second vulnerability that enables writing to SPI flash, potentially resulting in arbitrary code execution.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS