CVE-2021-46767 - Vulnerability Details - OpenCVE

Insufficient input validation in the ASP may allow an attacker with physical access, unauthorized write access to memory potentially leading to a loss of integrity or denial of service.

No CVSS v4.0

Attack Vector Physical

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00107.

Exploitation none

Automatable no

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

AMD

2nd Gen EPYC

unaffected

Version	Status	Constraints
`various`	affected	—

AMD

3rd Gen EPYC

unaffected

Version	Status	Constraints
`various`	affected	—

Configuration 1 [-]

AND

cpe:2.3:o:amd:romepi_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:amd:romepi:-:*:*:*:*:*:*:*

Configuration 2 [-]

AND

cpe:2.3:o:amd:milanpi_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:amd:milanpi:-:*:*:*:*:*:*:*

No data.

No data.

Subscriptions

Vendors	Products
Amd Subscribe	Milanpi Subscribe Milanpi Firmware Subscribe Romepi Subscribe Romepi Firmware Subscribe

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-33423	Insufficient input validation in the ASP may allow an attacker with physical access, unauthorized write access to memory potentially leading to a loss of integrity or denial of service.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032

History

Wed, 09 Apr 2025 15:15:00 +0000

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

MITRE

Status: PUBLISHED

Assigner: AMD

Published: 2023-01-10T20:56:50.057Z

Updated: 2025-04-09T14:51:23.812Z

Reserved: 2022-03-31T16:50:27.871Z

Link: CVE-2021-46767

Vulnrichment

Updated: 2024-08-04T05:17:42.257Z

NVD

Status : Modified

Published: 2023-01-11T08:15:13.110

Modified: 2025-04-09T15:15:44.507

Link: CVE-2021-46767

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-20

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2021-46767", "assignerOrgId": "b58fc414-a1e4-4f92-9d70-1add41838648", "state": "PUBLISHED", "assignerShortName": "AMD", "dateReserved": "2022-03-31T16:50:27.871Z", "datePublished": "2023-01-10T20:56:50.057Z", "dateUpdated": "2025-04-09T14:51:23.812Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "packageName": "AGESA", "platforms": ["x86"], "product": "2nd Gen EPYC", "vendor": " AMD", "versions": [{"status": "affected", "version": "various "}]}, {"defaultStatus": "unaffected", "packageName": "AGESA", "platforms": ["x86"], "product": "3rd Gen EPYC", "vendor": "AMD", "versions": [{"status": "affected", "version": "various "}]}], "datePublic": "2023-01-10T17:30:00.000Z", "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Insufficient input validation in the ASP may allow an attacker with physical access, unauthorized write access to memory potentially leading to a loss of integrity or denial of service.<br>"}], "value": "Insufficient input validation in the ASP may allow an attacker with physical access, unauthorized write access to memory potentially leading to a loss of integrity or denial of service.\n"}], "providerMetadata": {"orgId": "b58fc414-a1e4-4f92-9d70-1add41838648", "shortName": "AMD", "dateUpdated": "2023-01-11T07:01:59.843Z"}, "references": [{"tags": ["vendor-advisory"], "url": "https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032"}], "source": {"advisory": "AMD-SB-1032", "discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 0.1.0-dev"}, "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:17:42.257Z"}, "title": "CVE Program Container", "references": [{"tags": ["vendor-advisory", "x_transferred"], "url": "https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032"}]}, {"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-20", "lang": "en", "description": "CWE-20 Improper Input Validation"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.1, "attackVector": "PHYSICAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2025-04-09T14:50:41.666376Z", "id": "CVE-2021-46767", "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": "2025-04-09T14:51:23.812Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032", "tags": ["vendor-advisory", "x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:17:42.257Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.1, "attackVector": "PHYSICAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2021-46767", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-04-09T14:50:41.666376Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-20", "description": "CWE-20 Improper Input Validation"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-04-09T14:51:19.130Z"}}], "cna": {"source": {"advisory": "AMD-SB-1032", "discovery": "UNKNOWN"}, "affected": [{"vendor": " AMD", "product": "2nd Gen EPYC", "versions": [{"status": "affected", "version": "various "}], "platforms": ["x86"], "packageName": "AGESA", "defaultStatus": "unaffected"}, {"vendor": "AMD", "product": "3rd Gen EPYC", "versions": [{"status": "affected", "version": "various "}], "platforms": ["x86"], "packageName": "AGESA", "defaultStatus": "unaffected"}], "datePublic": "2023-01-10T17:30:00.000Z", "references": [{"url": "https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032", "tags": ["vendor-advisory"]}], "x_generator": {"engine": "Vulnogram 0.1.0-dev"}, "descriptions": [{"lang": "en", "value": "Insufficient input validation in the ASP may allow an attacker with physical access, unauthorized write access to memory potentially leading to a loss of integrity or denial of service.\n", "supportingMedia": [{"type": "text/html", "value": "Insufficient input validation in the ASP may allow an attacker with physical access, unauthorized write access to memory potentially leading to a loss of integrity or denial of service.<br>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "text", "description": "n/a"}]}], "providerMetadata": {"orgId": "b58fc414-a1e4-4f92-9d70-1add41838648", "shortName": "AMD", "dateUpdated": "2023-01-11T07:01:59.843Z"}}}, "cveMetadata": {"cveId": "CVE-2021-46767", "state": "PUBLISHED", "dateUpdated": "2025-04-09T14:51:23.812Z", "dateReserved": "2022-03-31T16:50:27.871Z", "assignerOrgId": "b58fc414-a1e4-4f92-9d70-1add41838648", "datePublished": "2023-01-10T20:56:50.057Z", "assignerShortName": "AMD"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:amd:romepi_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "88ECFD2A-170F-46B8-9013-4605ED25626F", "versionEndExcluding": "1.0.0.d", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:amd:romepi:-:*:*:*:*:*:*:*", "matchCriteriaId": "B936879F-731E-4991-ACBB-16643F629B41", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:amd:milanpi_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "E22D9F20-76BB-4949-8DAA-CA671687FF15", "versionEndExcluding": "1.0.0.6", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:amd:milanpi:-:*:*:*:*:*:*:*", "matchCriteriaId": "1F64A4AA-A66B-4B2E-B8F1-F332E3945903", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Insufficient input validation in the ASP may allow an attacker with physical access, unauthorized write access to memory potentially leading to a loss of integrity or denial of service.\n"}, {"lang": "es", "value": "Una validaci\u00f3n de entrada insuficiente en el ASP puede permitir que un atacante con acceso f\u00edsico realice un acceso de escritura no autorizado a la memoria, lo que podr\u00eda provocar una p\u00e9rdida de integridad o denegaci\u00f3n de servicio."}], "id": "CVE-2021-46767", "lastModified": "2025-04-09T15:15:44.507", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "PHYSICAL", "availabilityImpact": "HIGH", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 0.9, "impactScore": 5.2, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "PHYSICAL", "availabilityImpact": "HIGH", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 0.9, "impactScore": 5.2, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2023-01-11T08:15:13.110", "references": [{"source": "psirt@amd.com", "tags": ["Vendor Advisory"], "url": "https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032"}], "sourceIdentifier": "psirt@amd.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-20"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}