CVE-2023-20548

HIGHNVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-02-11. NVD baseline CVSS 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
7.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.8Exploit: NoneExposed: 0

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

A Time-of-check time-of-use (TOCTOU) race condition in the AMD Secure Processor (ASP) could allow an attacker to corrupt memory resulting in loss of integrity, confidentiality, or availability.

CVSS v3
7.8
EG Score
7.8(medium)
EG Risk
35(Track)
EG Risk 35/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity78% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
1.1%
KEV
Not listed

Published

February 11, 2026

Last Modified

March 5, 2026

References (1)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 11× in last 7d / 35× 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.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2023-20548?
CVE-2023-20548 is a high vulnerability published on February 11, 2026. A Time-of-check time-of-use (TOCTOU) race condition in the AMD Secure Processor (ASP) could allow an attacker to corrupt memory resulting in loss of integrity, confidentiality, or availability.
When was CVE-2023-20548 disclosed?
CVE-2023-20548 was first published in the National Vulnerability Database on February 11, 2026, with the most recent update on March 5, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-20548 actively exploited?
CVE-2023-20548 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2023-20548?
CVE-2023-20548 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2023-20548?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-20548, 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.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2023-20548

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