CVE-2020-12890
Vulnerability from cvelistv5
Published
2021-12-10 21:56
Modified
2024-09-16 23:36
Severity ?
EPSS score ?
Summary
Improper handling of pointers in the System Management Mode (SMM) handling code may allow for a privileged attacker with physical or administrative access to potentially manipulate the AMD Generic Encapsulated Software Architecture (AGESA) to execute arbitrary code undetected by the operating system.
References
▼ | URL | Tags | |
---|---|---|---|
psirt@amd.com | https://www.amd.com/en/corporate/product-security | Vendor Advisory |
Impacted products
▼ | Vendor | Product |
---|---|---|
AMD | AMD Processors |
{ "containers": { "adp": [ { "providerMetadata": { "dateUpdated": "2024-08-04T12:11:19.090Z", "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE" }, "references": [ { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://www.amd.com/en/corporate/product-security" } ], "title": "CVE Program Container" } ], "cna": { "affected": [ { "product": "AMD Processors", "vendor": "AMD", "versions": [ { "status": "unaffected", "version": "Processor EPYC" } ] } ], "datePublic": "2020-06-17T00:00:00", "descriptions": [ { "lang": "en", "value": "Improper handling of pointers in the System Management Mode (SMM) handling code may allow for a privileged attacker with physical or administrative access to potentially manipulate the AMD Generic Encapsulated Software Architecture (AGESA) to execute arbitrary code undetected by the operating system." } ], "problemTypes": [ { "descriptions": [ { "description": "NA", "lang": "en", "type": "text" } ] } ], "providerMetadata": { "dateUpdated": "2021-12-10T21:56:55", "orgId": "b58fc414-a1e4-4f92-9d70-1add41838648", "shortName": "AMD" }, "references": [ { "tags": [ "x_refsource_MISC" ], "url": "https://www.amd.com/en/corporate/product-security" } ], "source": { "discovery": "EXTERNAL" }, "x_generator": { "engine": "Vulnogram 0.0.9" }, "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "psirt@amd.com", "DATE_PUBLIC": "2020-06-17T19:30:00.000Z", "ID": "CVE-2020-12890", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "AMD Processors", "version": { "version_data": [ { "version_affected": "!", "version_name": "Processor", "version_value": "EPYC" } ] } } ] }, "vendor_name": "AMD" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "Improper handling of pointers in the System Management Mode (SMM) handling code may allow for a privileged attacker with physical or administrative access to potentially manipulate the AMD Generic Encapsulated Software Architecture (AGESA) to execute arbitrary code undetected by the operating system." } ] }, "generator": { "engine": "Vulnogram 0.0.9" }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "NA" } ] } ] }, "references": { "reference_data": [ { "name": "https://www.amd.com/en/corporate/product-security", "refsource": "MISC", "url": "https://www.amd.com/en/corporate/product-security" } ] }, "source": { "discovery": "EXTERNAL" } } } }, "cveMetadata": { "assignerOrgId": "b58fc414-a1e4-4f92-9d70-1add41838648", "assignerShortName": "AMD", "cveId": "CVE-2020-12890", "datePublished": "2021-12-10T21:56:55.155031Z", "dateReserved": "2020-05-15T00:00:00", "dateUpdated": "2024-09-16T23:36:11.770Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2020-12890\",\"sourceIdentifier\":\"psirt@amd.com\",\"published\":\"2021-12-10T22:15:07.833\",\"lastModified\":\"2021-12-15T20:01:13.343\",\"vulnStatus\":\"Analyzed\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"Improper handling of pointers in the System Management Mode (SMM) handling code may allow for a privileged attacker with physical or administrative access to potentially manipulate the AMD Generic Encapsulated Software Architecture (AGESA) to execute arbitrary code undetected by the operating system.\"},{\"lang\":\"es\",\"value\":\"Un manejo inapropiado de los punteros en el c\u00f3digo de manejo de System Management Mode (SMM) puede permitir a un atacante privilegiado con acceso f\u00edsico o administrativo manipular potencialmente la arquitectura de software encapsulado gen\u00e9rico de AMD (AGESA) para ejecutar c\u00f3digo arbitrario sin ser detectado por el sistema operativo\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"HIGH\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\",\"baseScore\":6.7,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":0.8,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:L/Au:N/C:C/I:C/A:C\",\"accessVector\":\"LOCAL\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"COMPLETE\",\"integrityImpact\":\"COMPLETE\",\"availabilityImpact\":\"COMPLETE\",\"baseScore\":7.2},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":3.9,\"impactScore\":10.0,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:amd:amd_generic_encapsulated_software_architecture:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"250322FF-6899-4E91-9A89-D6A3B693EED4\"}]}]}],\"references\":[{\"url\":\"https://www.amd.com/en/corporate/product-security\",\"source\":\"psirt@amd.com\",\"tags\":[\"Vendor Advisory\"]}]}}" } }
Loading...
Loading...
Sightings
Author | Source | Type | Date |
---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.