CVE-2023-205401.8LowCWE-208

CVE-2023-20540: AMD Ryzen™ 3000 Series Desktop Processors vulnerability

AMD · AMD Ryzen™ 3000 Series Desktop Processors

Vendor fix available · Affected: AMD Ryzen™ 3000 Series Desktop Processors · Exploitation: unlikely (under 1%)

Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.

0.1%probability of exploitation in the next 30 days

4th percentile

050100

Higher than 4% of scored CVEs

1.8LowCVSS 4.0

LowMediumHighCrit.

DescriptionCVE.org

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.

Affected products5

From the CVE record. A product or version that is not listed is unknown, not unaffected.

AMD · AMD Ryzen™ 3000 Series Desktop ProcessorsVersions not stated
AMD · AMD Ryzen™ 5000 Series Desktop ProcessorsVersions not stated
AMD · AMD Ryzen™ Threadripper™ 3000 Series ProcessorsVersions not stated
AMD · AMD Ryzen™ Threadripper™ PRO 3000WX Series ProcessorsVersions not stated
AMD · AMD Ryzen™ Threadripper™ PRO 5000 WX-Series ProcessorsVersions not stated

On the Atlas

Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.

Open the Atlas

Exploitation: Unlikely (under 1%). EPSS under 1%, or no score yet.
CISA KEV: Not listed
Public check: No public nuclei template
Weakness: Observable Timing Discrepancy · Information Disclosure
Vendor: AMD
Published: June 2026
Band: Unlikely (under 1%), June 2026

CoverageNo articles yet

No CyberSIXT article names CVE-2023-20540 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.