[UPDATE] [medium] AMD processors: Multiple vulnerabilities

mediumCVE-2023-20585 CVE-2025-54502 CVE-2025-54510

A local attacker can exploit multiple vulnerabilities in AMD processors to gain administrative privileges, execute arbitrary code, manipulate data, or disclose sensitive information.

CSIRTS triage

vendor: AMD product: AMD processors Privilege escalation Remote code executionOther

What: Multiple vulnerabilities in AMD processors can be exploited by a local attacker to gain administrative privileges, execute arbitrary code, manipulate data, or disclose sensitive information.
Who is affected: Users of affected AMD processors are at risk.
Urgency: Remediation is medium urgency as exploitation is not currently active but the vulnerabilities could lead to severe impacts.
Action: Apply the latest firmware updates from AMD to mitigate these vulnerabilities.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source: CERT-Bund (BSI) Security Advisories (DE · national-cert · site)
Severity: medium
Published: 2026-07-28
Exploitation: Not in CISA KEV at last sync
Language: Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1111

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2023-205850.10% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 1% of all scored CVEs.
Low exploitation riskCVE-2025-545020.14% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 4% of all scored CVEs.
Low exploitation riskCVE-2025-545100.11% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 1% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2023-20585	coverage & exploitation status	NVD · CVE.org
CVE-2025-54502	coverage & exploitation status	NVD · CVE.org
CVE-2025-54510	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

unknownMultiples vulnérabilités dans le noyau Linux de SUSE (31 juillet 2026)cert-fr-avis

Recent advisories for AMD processors

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

high[UPDATE] [high] AMD ARM and EPYC processors: Multiple vulnerabilitiescert-bund · 2026-07-28
high[UPDATE] [high] AMD Processor: Multiple vulnerabilitiescert-bund · 2026-07-07
low[UPDATE] [low] AMD Processors and Xen: Vulnerability allows information disclosurecert-bund · 2026-07-02