Security readout for executives and security teams
CVE-2025-54505 is a low-severity AMD CPU side-channel issue. A local, already-privileged user may be able to leak limited data through the floating point divisor unit. It affects listed AMD EPYC 7001 and EPYC Embedded 3000 processors. The main business concern is confidentiality in shared or multi-tenant environments. Exposure is most relevant where affected AMD processors run workloads for multiple users or tenants, especially when local privileged access is possible. Single-purpose systems without untrusted local users are likely lower risk. The provided sources do not identify remote exploitation. Treat as a routine but real confidentiality risk. Prioritize patching in shared compute, hosting, virtualization, and research environments. For isolated servers with trusted administrators only, handle through normal maintenance windows unless vendor guidance says otherwise. Mitigation focus: Identify systems using AMD EPYC 7001 or EPYC Embedded 3000 processors.; Apply relevant OS updates from your operating system or platform vendor.; Review AMD-SB-7053 for vendor guidance and processor-specific details..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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Open ATT&CK lookupCVE-2025-54505 mapping review
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Open ATT&CK lookup- Severity
- Low
- CVSS
- 2 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
CNA and ADP enrichment extracted from CVE v5
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CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N——Primary CVE scoreVulnerability scoring details
Base CVSS 4.0 score
2LowVector: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-7053.htmlCVE reference
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Exposure of Sensitive Information during Transient Execution
Exposure of Sensitive Information during Transient Execution represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.