CVE-2023-20540

1.8 lowEPSS 0.2%

Low (1.8). EPSS 0.2% chance of exploitation in the next 30 days.

An observable timing discrepancy in the ASP could allow a privileged attacker to perform a brute-force attack against the hash message authentication code, allowing arbitrary message input, potentially leading to a loss of data integrity.

Severity

CVSS 4.0

1.8 low

CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 4% of CVEs (scores of 2026-10-31)
CWE: CWE-208
Published: 2026-06-26
Modified: 2026-06-26
Record from: the NVD, synced 2026-10-19

References

https://www.amd.com/en/resources/product-security/bulletin/amd-sb-4012.html

Check your stack JSON