CVE-2023-20599 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required High

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact total

No data.

No data.

No data.

References

Link	Providers
https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7039.html

History

Sat, 12 Jul 2025 13:45:00 +0000

Type	Values Removed	Values Added
Metrics	epss `{'score': 0.00016}`	epss `{'score': 0.00018}`

Fri, 13 Jun 2025 15:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Tue, 10 Jun 2025 16:30:00 +0000

Type	Values Removed	Values Added
Description		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.
Weaknesses		CWE-1262
References		https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7039.html
Metrics		cvssV3_1 `{'score': 7.9, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N'}`

MITRE

Status: PUBLISHED

Assigner: AMD

Published: 2025-06-10T16:15:03.641Z

Updated: 2025-06-13T15:08:34.897Z

Reserved: 2022-10-27T18:53:39.763Z

Link: CVE-2023-20599

Vulnrichment

Updated: 2025-06-13T15:08:23.157Z

NVD

Status : Awaiting Analysis

Published: 2025-06-10T17:17:51.013

Modified: 2025-06-12T16:06:39.330

Link: CVE-2023-20599

Redhat

No data.

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-20599", "assignerOrgId": "b58fc414-a1e4-4f92-9d70-1add41838648", "state": "PUBLISHED", "assignerShortName": "AMD", "dateReserved": "2022-10-27T18:53:39.763Z", "datePublished": "2025-06-10T16:15:03.641Z", "dateUpdated": "2025-06-13T15:08:34.897Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "affected", "product": "AMD EPYC\u2122 7002 Series Processors", "vendor": "AMD", "versions": [{"status": "unaffected", "version": "RomePI 1.0.0.H"}, {"status": "unaffected", "version": "SEV 0.24.19 [hex 00.18.13]"}]}, {"defaultStatus": "unknown", "product": "AMD EPYC\u2122 7003 Series Processors", "vendor": "AMD", "versions": [{"status": "unaffected", "version": "MilanPI 1.0.0.C"}, {"status": "unaffected", "version": "SEV 1.55.11 [hex 1.37.0B]"}]}, {"defaultStatus": "affected", "product": "AMD Ryzen\u2122 Threadripper\u2122 3000 Processors", "vendor": "AMD", "versions": [{"status": "unaffected", "version": "CastlePeakPI-SP3r3_1.0.0.F"}]}, {"defaultStatus": "affected", "product": "AMD Ryzen\u2122 Threadripper\u2122 PRO 3000 WX Processors", "vendor": "AMD", "versions": [{"status": "unaffected", "version": "ChagallWSPI-sWRX8 1.0.0.C"}, {"status": "unaffected", "version": "CastlePeakWSPI-sWRX8 1.0.0.H"}]}, {"defaultStatus": "affected", "product": "AMD Ryzen\u2122 Threadripper\u2122 PRO 5000 WX Processors", "vendor": "AMD", "versions": [{"status": "unaffected", "version": "ChagallWSPI-sWRX8 1.0.0.C"}]}, {"defaultStatus": "affected", "product": "AMD Ryzen\u2122 3000 Series Mobile Processors with Radeon\u2122 Graphics", "vendor": "AMD", "versions": [{"status": "unaffected", "version": "PicassoPI-FP5_1.0.1.2c"}]}, {"defaultStatus": "affected", "product": "AMD EPYC\u2122 Embedded 7002 Series Processors", "vendor": "AMD", "versions": [{"status": "unaffected", "version": "EmbRomePI-SP3 1.0.0.B"}]}, {"defaultStatus": "affected", "product": "AMD EPYC\u2122 Embedded 7003 Series Processors", "vendor": "AMD", "versions": [{"status": "unaffected", "version": "EmbMilanPI-SP3 1.0.0.8"}]}], "datePublic": "2025-06-10T04:03:00.000Z", "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "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.<br>"}], "value": "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."}], "metrics": [{"cvssV3_1": {"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"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-1262", "description": "CWE-1262 Register Interface Allows Software Access to Sensitive Data or Security Settings", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "b58fc414-a1e4-4f92-9d70-1add41838648", "shortName": "AMD", "dateUpdated": "2025-06-10T16:15:03.641Z"}, "references": [{"url": "https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7039.html"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 0.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-06-11T04:01:37.861337Z", "id": "CVE-2023-20599", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-06-13T15:08:34.897Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2023-20599", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-06-11T04:01:37.861337Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-06-13T15:08:23.157Z"}}], "cna": {"source": {"discovery": "UNKNOWN"}, "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 7.9, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "AMD", "product": "AMD EPYC\u2122 7002 Series Processors", "versions": [{"status": "unaffected", "version": "RomePI 1.0.0.H"}, {"status": "unaffected", "version": "SEV 0.24.19 [hex 00.18.13]"}], "defaultStatus": "affected"}, {"vendor": "AMD", "product": "AMD EPYC\u2122 7003 Series Processors", "versions": [{"status": "unaffected", "version": "MilanPI 1.0.0.C"}, {"status": "unaffected", "version": "SEV 1.55.11 [hex 1.37.0B]"}], "defaultStatus": "unknown"}, {"vendor": "AMD", "product": "AMD Ryzen\u2122 Threadripper\u2122 3000 Processors", "versions": [{"status": "unaffected", "version": "CastlePeakPI-SP3r3_1.0.0.F"}], "defaultStatus": "affected"}, {"vendor": "AMD", "product": "AMD Ryzen\u2122 Threadripper\u2122 PRO 3000 WX Processors", "versions": [{"status": "unaffected", "version": "ChagallWSPI-sWRX8 1.0.0.C"}, {"status": "unaffected", "version": "CastlePeakWSPI-sWRX8 1.0.0.H"}], "defaultStatus": "affected"}, {"vendor": "AMD", "product": "AMD Ryzen\u2122 Threadripper\u2122 PRO 5000 WX Processors", "versions": [{"status": "unaffected", "version": "ChagallWSPI-sWRX8 1.0.0.C"}], "defaultStatus": "affected"}, {"vendor": "AMD", "product": "AMD Ryzen\u2122 3000 Series Mobile Processors with Radeon\u2122 Graphics", "versions": [{"status": "unaffected", "version": "PicassoPI-FP5_1.0.1.2c"}], "defaultStatus": "affected"}, {"vendor": "AMD", "product": "AMD EPYC\u2122 Embedded 7002 Series Processors", "versions": [{"status": "unaffected", "version": "EmbRomePI-SP3 1.0.0.B"}], "defaultStatus": "affected"}, {"vendor": "AMD", "product": "AMD EPYC\u2122 Embedded 7003 Series Processors", "versions": [{"status": "unaffected", "version": "EmbMilanPI-SP3 1.0.0.8"}], "defaultStatus": "affected"}], "datePublic": "2025-06-10T04:03:00.000Z", "references": [{"url": "https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7039.html"}], "x_generator": {"engine": "Vulnogram 0.2.0"}, "descriptions": [{"lang": "en", "value": "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.", "supportingMedia": [{"type": "text/html", "value": "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.<br>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-1262", "description": "CWE-1262 Register Interface Allows Software Access to Sensitive Data or Security Settings"}]}], "providerMetadata": {"orgId": "b58fc414-a1e4-4f92-9d70-1add41838648", "shortName": "AMD", "dateUpdated": "2025-06-10T16:15:03.641Z"}}}, "cveMetadata": {"cveId": "CVE-2023-20599", "state": "PUBLISHED", "dateUpdated": "2025-06-13T15:08:34.897Z", "dateReserved": "2022-10-27T18:53:39.763Z", "assignerOrgId": "b58fc414-a1e4-4f92-9d70-1add41838648", "datePublished": "2025-06-10T16:15:03.641Z", "assignerShortName": "AMD"}, "dataVersion": "5.1"}