CVE-2023-20540
Low
Description
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.
SeverityLow
CVSS1.8
Exploit probability—
ProductAMD Ryzen™ 3000 Series Desktop Processors
PublishedJun 26, 2026
First seenJun 26, 2026
Weakness typeCWE-208CWE-208
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| AMD AMD Ryzen™ 3000 Series Desktop Processors | No range specified | — |
| AMD AMD Ryzen™ 5000 Series Desktop Processors | No range specified | — |
| AMD AMD Ryzen™ Threadripper™ 3000 Series Processors | No range specified | — |
| AMD AMD Ryzen™ Threadripper™ PRO 3000WX Series Processors | No range specified | — |
| AMD AMD Ryzen™ Threadripper™ PRO 5000 WX-Series Processors | No range specified | — |
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