CVE-2023-20526

2023-11-1418:52:41

AMD

www.cve.org

asp bootloader

input validation

memory exposure

confidentiality

physical access

CVSS3

1.9

Attack Vector

PHYSICAL

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:C/C:L/I:N/A:N

AI Score

6.7

Confidence

Low

EPSS

0.001

Percentile

20.7%

JSON

Insufficient input validation in the ASP Bootloader may enable a privileged attacker with physical access to expose the contents of ASP memory potentially leading to a loss of confidentiality.

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "packageName": "PI",
    "platforms": [
      "x86"
    ],
    "product": "AMD Ryzen™ Threadripper™ 2000 Series Processors “Colfax”",
    "vendor": "AMD",
    "versions": [
      {
        "status": "affected",
        "version": "various"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "packageName": "PI",
    "platforms": [
      "x86"
    ],
    "product": "1st Gen AMD EPYC™ Processors",
    "vendor": "AMD",
    "versions": [
      {
        "status": "affected",
        "version": "various"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "packageName": "PI",
    "platforms": [
      "x86"
    ],
    "product": "2nd Gen AMD EPYC™ Processors",
    "vendor": "AMD",
    "versions": [
      {
        "status": "affected",
        "version": "various"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "packageName": "PI",
    "platforms": [
      "x86"
    ],
    "product": "3rd Gen AMD EPYC™ Processors",
    "vendor": "AMD",
    "versions": [
      {
        "status": "affected",
        "version": "various"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "AMD EPYC™  Embedded 3000",
    "vendor": "AMD",
    "versions": [
      {
        "status": "affected",
        "version": "various"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "AMD EPYC™  Embedded 7002",
    "vendor": "AMD",
    "versions": [
      {
        "status": "affected",
        "version": "various"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "AMD EPYC™  Embedded 7003",
    "vendor": "AMD",
    "versions": [
      {
        "status": "affected",
        "version": "various"
      }
    ]
  }
]