CVE-2023-31313

HIGHPre-NVD 7.27.2—
EchelonGraph scoreMEDIUM confidence

Score 7.2 from GitHub Security Advisory (severity: HIGH) published 2026-02-12. the CNA's CVSS baseline 7.2; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:amd, epss, ghsa
7.2
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.2Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

An unintended proxy or intermediary in the AMD power management firmware (PMFW) could allow a privileged attacker to send malformed messages to the system management unit (SMU) potentially resulting in arbitrary code execution.

CVSS v3
7.2
EG Score
7.2(medium)
EPSS
0.9%
KEV
Not listed

Published

February 12, 2026

Last Modified

July 15, 2026

References (1)

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 10× in last 7d / 38× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 120 total refreshes for this CVE.

  1. 2026-07-22 23:09 UTCEG score recompute
  2. 2026-07-22 14:06 UTCEPSS rescore
  3. 2026-07-22 14:06 UTCEPSS rescore
  4. 2026-07-20 17:06 UTCEPSS rescore
  5. 2026-07-19 02:27 UTCEPSS rescore
  6. 2026-07-19 02:27 UTCEPSS rescore
  7. 2026-07-18 10:03 UTCEPSS rescore
  8. 2026-07-18 10:03 UTCEPSS rescore
  9. 2026-07-16 17:01 UTCEPSS rescore
  10. 2026-07-16 17:01 UTCEPSS rescore
  11. 2026-07-15 16:56 UTCEPSS rescore
  12. 2026-07-15 16:56 UTCEPSS rescore
  13. 2026-07-13 22:28 UTCEPSS rescore
  14. 2026-07-13 22:28 UTCEPSS rescore
  15. 2026-07-13 06:11 UTCEPSS rescore
  16. 2026-07-13 06:11 UTCEPSS rescore
  17. 2026-07-12 05:45 UTCEPSS rescore
  18. 2026-07-09 19:08 UTCEPSS rescore
  19. 2026-07-09 19:08 UTCEPSS rescore
  20. 2026-07-08 15:13 UTCEPSS rescore
  21. 2026-07-07 13:44 UTCEPSS rescore
  22. 2026-07-06 16:26 UTCEPSS rescore
  23. 2026-07-06 16:26 UTCEPSS rescore
  24. 2026-07-05 02:28 UTCEPSS rescore
  25. 2026-07-04 06:29 UTCEPSS rescore
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  1. 2026-07-02 16:59 UTCEPSS rescore
  2. 2026-07-01 15:04 UTCEPSS rescore
  3. 2026-06-29 14:05 UTCEPSS rescore
  4. 2026-06-28 14:06 UTCEPSS rescore
  5. 2026-06-28 14:06 UTCEPSS rescore
  6. 2026-06-28 04:54 UTCEPSS rescore
  7. 2026-06-27 03:07 UTCEPSS rescore
  8. 2026-06-25 13:48 UTCEPSS rescore
  9. 2026-06-25 13:48 UTCEPSS rescore
  10. 2026-06-24 14:03 UTCEPSS rescore
  11. 2026-06-24 14:03 UTCEPSS rescore
  12. 2026-06-23 21:31 UTCEPSS rescore
  13. 2026-06-23 21:31 UTCEPSS rescore
  14. 2026-06-21 01:58 UTCEPSS rescore
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  16. 2026-06-19 19:24 UTCEPSS rescore
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  18. 2026-06-18 17:51 UTCEPSS rescore
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  20. 2026-06-17 17:51 UTCEPSS rescore
  21. 2026-06-17 17:51 UTCEPSS rescore
  22. 2026-06-15 17:47 UTCEPSS rescore
  23. 2026-06-14 23:16 UTCEPSS rescore
  24. 2026-06-13 22:59 UTCEPSS rescore
  25. 2026-06-13 22:59 UTCEPSS rescore
  26. 2026-06-12 23:10 UTCEPSS rescore
  27. 2026-06-12 03:56 UTCGHSA enrichment
  28. 2026-06-11 13:59 UTCEPSS rescore
  29. 2026-06-10 22:17 UTCEPSS rescore
  30. 2026-06-10 22:11 UTCGHSA enrichment
  31. 2026-06-10 13:21 UTCEPSS rescore
  32. 2026-06-10 13:21 UTCEPSS rescore
  33. 2026-06-10 02:33 UTCGHSA enrichment
  34. 2026-06-08 14:15 UTCEPSS rescore
  35. 2026-06-08 14:15 UTCEPSS rescore
  36. 2026-06-08 07:26 UTCGHSA enrichment
  37. 2026-06-07 19:23 UTCGHSA enrichment
  38. 2026-06-07 15:23 UTCEPSS rescore
  39. 2026-06-07 15:23 UTCEPSS rescore
  40. 2026-06-06 13:46 UTCEPSS rescore
  41. 2026-06-06 13:46 UTCEPSS rescore
  42. 2026-06-05 22:46 UTCEPSS rescore
  43. 2026-06-05 22:46 UTCEPSS rescore
  44. 2026-06-05 06:09 UTCEPSS rescore
  45. 2026-06-05 06:09 UTCEPSS rescore
  46. 2026-06-04 13:11 UTCEPSS rescore
  47. 2026-06-04 13:11 UTCEPSS rescore
  48. 2026-06-02 20:12 UTCEPSS rescore
  49. 2026-06-02 20:12 UTCEPSS rescore
  50. 2026-06-02 20:12 UTCEPSS rescore
  51. 2026-06-01 13:51 UTCEPSS rescore
  52. 2026-05-31 22:29 UTCEPSS rescore
  53. 2026-05-31 22:29 UTCEPSS rescore
  54. 2026-05-31 22:29 UTCEPSS rescore
  55. 2026-05-31 00:15 UTCEPSS rescore
  56. 2026-05-31 00:15 UTCEPSS rescore
  57. 2026-05-29 13:43 UTCEPSS rescore
  58. 2026-05-28 13:43 UTCEPSS rescore
  59. 2026-05-28 13:43 UTCEPSS rescore
  60. 2026-05-27 13:39 UTCEPSS rescore
  61. 2026-05-27 13:39 UTCEPSS rescore
  62. 2026-05-26 13:43 UTCEPSS rescore
  63. 2026-05-26 13:43 UTCEPSS rescore
  64. 2026-05-26 07:18 UTCEPSS rescore
  65. 2026-05-26 07:18 UTCEPSS rescore
  66. 2026-05-26 07:17 UTCEPSS rescore
  67. 2026-05-22 21:16 UTCEPSS rescore
  68. 2026-05-22 21:16 UTCEPSS rescore
  69. 2026-05-22 21:16 UTCEPSS rescore
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  72. 2026-05-22 21:16 UTCEPSS rescore
  73. 2026-05-22 21:16 UTCEPSS rescore
  74. 2026-05-21 22:41 UTCEPSS rescore
  75. 2026-05-20 23:02 UTCEG score recompute

Frequently asked(5)

What is CVE-2023-31313?
CVE-2023-31313 is a high vulnerability published on February 12, 2026. An unintended proxy or intermediary in the AMD power management firmware (PMFW) could allow a privileged attacker to send malformed messages to the system management unit (SMU) potentially resulting in arbitrary code execution.
When was CVE-2023-31313 disclosed?
CVE-2023-31313 was first published in the National Vulnerability Database on February 12, 2026, with the most recent update on July 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-31313 actively exploited?
CVE-2023-31313 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2023-31313?
CVE-2023-31313 has a CVSS v4.0 base score of 7.2 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2023-31313?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-31313, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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