CVE-2023-20540
CVE-2023-20540
Vexday Risk Score
8Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 1.8EPSS 0.1%KEV nãoPoC —Nuclei —Metasploit —Patch —
Lifecycle
26 Jun 2026Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
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.
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
Affected products
AMD · AMD Ryzen™ 3000 Series Desktop ProcessorsAMD · AMD Ryzen™ 5000 Series Desktop ProcessorsAMD · AMD Ryzen™ Threadripper™ 3000 Series ProcessorsAMD · AMD Ryzen™ Threadripper™ PRO 3000WX Series ProcessorsAMD · AMD Ryzen™ Threadripper™ PRO 5000 WX-Series ProcessorsWant to know if your infrastructure is exposed to this?
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