Vulnerability-Lookup

CVE-2023-20599 (GCVE-0-2023-20599)

Vulnerability from cvelistv5 – Published: 2025-06-10 16:15 – Updated: 2026-02-26 17:51

Summary

Improper register access control in ASP may allow a privileged attacker to perform unauthorized access to ASP’s Crypto Co-Processor (CCP) registers from x86 resulting in potential loss of control of cryptographic key pointer/index leading to loss of integrity or confidentiality.

Severity

7.9 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-06-11 04:01 UTC

CWE

CWE-1262 - Register Interface Allows Software Access to Sensitive Data or Security Settings

Assigner

AMD mitre root

References

1 reference

URL	Tags
https://www.amd.com/en/resources/product-security…

Impacted products

10 products

Vendor	Product	Version	CPE status
AMD	AMD EPYC™ 7002 Series Processors	Unaffected: RomePI 100H SEV 0.24.19 [hex 00.18.13]	guessed
AMD	AMD Ryzen™ Threadripper™ 3000 Processors	Unaffected: CastlePeakPI-SP3r3_1.0.0.F	guessed
AMD	AMD Ryzen™ Threadripper™ PRO 3000 WX Processors	Unaffected: ChagallWSPI-sWRX8 1.0.0.C Unaffected: CastlePeakWSPI-sWRX8 1.0.0.H	guessed
AMD	AMD Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics	Unaffected: PicassoPI-FP5_1.0.1.2c	guessed
AMD	AMD EPYC™ Embedded 7002 Series Processors	Unaffected: EmbRomePI-SP3 1.0.0.B	guessed
AMD	AMD EPYC™ Embedded 7003 Series Processors	Unaffected: EmbMilanPI-SP3 1.0.0.8	guessed
AMD	AMD Ryzen™ Embedded R1000 Series Processors	Unaffected: EmbeddedPI-FP5 1211	guessed
AMD	AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics	Unaffected: EmbeddedPI-FP5 1211	guessed
AMD	AMD Ryzen™ Embedded R2000 Series Processors	Unaffected: EmbeddedR2KPI-FP5 1006	guessed
AMD	AMD Ryzen™ Embedded V1000 Series Processors	Unaffected: EmbeddedPI-FP5 1211 RC1	guessed

Date Public

2025-11-21 20:45

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2023-20599

Vulnerability from fkie_nvd - Published: 2025-06-10 17:17 - Updated: 2026-06-17 05:30

Severity

7.9 (High) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N

Summary

References

	URL	Tags
	psirt@amd.com	https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-7039.html

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
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    {
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        {
          "defaultStatus": "affected",
          "product": "AMD EPYC\u2122 7002 Series Processors",
          "vendor": "AMD",
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  "lastModified": "2026-06-17T05:30:24.457",
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    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "NONE",
          "baseScore": 7.9,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 1.5,
        "impactScore": 5.8,
        "source": "psirt@amd.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-20599",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-06-11T04:01:37.861337Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2025-06-10T17:17:51.013",
  "references": [
    {
      "source": "psirt@amd.com",
      "url": "https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-7039.html"
    }
  ],
  "sourceIdentifier": "psirt@amd.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-1262"
        }
      ],
      "source": "psirt@amd.com",
      "type": "Secondary"
    }
  ]
}

GHSA-7RC6-R844-3MWW

Vulnerability from github – Published: 2025-06-10 18:32 – Updated: 2025-11-21 21:30

Details

Improper register access control in ASP may allow a privileged attacker to perform unauthorized access to ASP’s Crypto Co-Processor (CCP) registers from x86, resulting in potential loss of control of cryptographic key pointer/index, leading to loss of integrity or confidentiality.

Severity

7.9 (High)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2023-20599"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-1262"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-06-10T17:17:51Z",
    "severity": "HIGH"
  },
  "details": "Improper register access control in ASP may allow a privileged attacker to perform unauthorized access to ASP\u2019s Crypto Co-Processor (CCP) registers from x86, resulting in potential loss of control of cryptographic key pointer/index, leading to loss of integrity or confidentiality.",
  "id": "GHSA-7rc6-r844-3mww",
  "modified": "2025-11-21T21:30:15Z",
  "published": "2025-06-10T18:32:26Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-20599"
    },
    {
      "type": "WEB",
      "url": "https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7039.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}

GSD-2023-20599

Vulnerability from gsd - Updated: 2023-12-13 01:20

Details

** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided.

Aliases

CVE-2023-20599

Aliases

CVE-2023-20599

JSON

To clipboard

{
  "GSD": {
    "alias": "CVE-2023-20599",
    "id": "GSD-2023-20599"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2023-20599"
      ],
      "id": "GSD-2023-20599",
      "modified": "2023-12-13T01:20:29.361924Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2023-20599",
        "STATE": "RESERVED"
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided."
          }
        ]
      }
    }
  }
}

WID-SEC-W-2025-1298

Vulnerability from csaf_certbund - Published: 2025-06-10 22:00 - Updated: 2025-10-14 22:00

Summary

AMD Prozessoren: Schwachstelle ermöglicht Umgehen von Sicherheitsvorkehrungen

Severity

Mittel

Scope

1 vulnerability in this advisory, including CVE-2023-20599.

CVE-2023-20599

Known affected: 7 products

Open the full advisory

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2023-20599 (GCVE-0-2023-20599)

FKIE_CVE-2023-20599

GHSA-7RC6-R844-3MWW

GSD-2023-20599

WID-SEC-W-2025-1298

Tags

Sightings

Nomenclature

Related by attack behaviour