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Vulnerabilities

Vulnerability · CVE-2025-0033

Improper access control within AMD SEV-SNP could allow an admin privileged attacker to write to the RMP during SNP initialization, potentially resulting in a loss of SEV-SNP guest

Published Oct 14, 2025 · catalog updated Oct 14, 2025 · AMD AMD EPYC™ 7003 Series Processors (formerly codenamed "Milan")

Last checked Nov 1, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-0033. EPSS is 0.21%. Act only if a listed version of AMD AMD EPYC™ 7003 Series Processors (formerly codenamed "Milan") is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium6.0
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.21%
Remediation
Advisory link
Affected products
vendor AMD AMD EPYC™ 7003 Series Processors (formerly codenamed "Milan") patch: MilanPI 1.0.0.H

Improper access control within AMD SEV-SNP could allow an admin privileged attacker to write to the RMP during SNP initialization, potentially resulting in a loss of SEV-SNP guest memory integrity.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor AMD AMD EPYC™ 7003 Series Processors (formerly codenamed "Milan") patch: MilanPI 1.0.0.Hpatch: MilanPI 1.0.0.H

How to fix CVE-2025-0033

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-0033. EPSS is 0.21%. Act only if a listed version of AMD AMD EPYC™ 7003 Series Processors (formerly codenamed "Milan") is installed.

Which versions are affected?

Compare what you have installed with AMD AMD EPYC™ 7003 Series Processors (formerly codenamed "Milan") patch: MilanPI 1.0.0.H patch: MilanPI 1.0.0.H. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.21%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 14, 2025 · EUVD

    Detected

    Improper access control within AMD SEV-SNP could allow an admin privileged attacker to write to the RMP during SNP initialization, potentially resulting in a loss of SEV-SNP guest memory integrity.

  2. Oct 14, 2025 · EUVD

    Updated

    Improper access control within AMD SEV-SNP could allow an admin privileged attacker to write to the RMP during SNP initialization, potentially resulting in a loss of SEV-SNP guest memory integrity.

Sources

  • CVE.orgVulnerability recordCVE-2025-0033

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-0033

    30-day exploitation probability 0.21%

    first.org
  • EUVDVulnerability recordEUVD-2025-34221

    Improper access control within AMD SEV-SNP could allow an admin privileged attacker to write to the RMP during SNP initialization, potentially resulting in a loss of SEV-SNP guest memory integrity.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 1, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • CVE.orgOct 23, 2026
  • FIRST EPSSOct 23, 2026
  • EUVDOct 23, 2026