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CVE-2023-20540

🗓️ 26 Jun 2026 15:44:59Reported by AMDType 
cvelist
 cvelist
🔗 www.cve.org👁 32 Views

Timing flaw enables attackers to brute-force the hash authentication code, risking data integrity.

Related
Affected
Refs
[
  {
    "vendor": "AMD",
    "product": "AMD Ryzen™ 3000 Series Desktop Processors",
    "versions": [
      {
        "status": "unaffected",
        "version": "ComboAM4  1.0.0.E"
      },
      {
        "status": "unaffected",
        "version": "ComboAM4v2PI  1.2.0.CA"
      }
    ],
    "defaultStatus": "affected"
  },
  {
    "vendor": "AMD",
    "product": "AMD Ryzen™ 5000 Series Desktop Processors",
    "versions": [
      {
        "status": "unaffected",
        "version": "ComboAM4v2PI  1.2.0.CA"
      }
    ],
    "defaultStatus": "affected"
  },
  {
    "vendor": "AMD",
    "product": "AMD Ryzen™ Threadripper™ 3000 Series Processors",
    "versions": [
      {
        "status": "unaffected",
        "version": "CastlePeakPI-SP3r3  1.0.0.C"
      }
    ],
    "defaultStatus": "affected"
  },
  {
    "vendor": "AMD",
    "product": "AMD Ryzen™ Threadripper™ PRO 3000WX Series Processors",
    "versions": [
      {
        "status": "unaffected",
        "version": "CastlePeakWSPI-sWRX8  1.0.0.E"
      }
    ],
    "defaultStatus": "affected"
  },
  {
    "vendor": "AMD",
    "product": "AMD Ryzen™ Threadripper™ PRO 5000 WX-Series Processors",
    "versions": [
      {
        "status": "unaffected",
        "version": "ChagallWSPI-sWRX8  1.0.0.9"
      }
    ],
    "defaultStatus": "affected"
  }
]

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