CVE-2020-12890 (GCVE-0-2020-12890)
Vulnerability from cvelistv5 – Published: 2021-12-10 21:56 – Updated: 2024-09-16 23:36
VLAI
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.
Severity
No CVSS data available.
CWE
- NA
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.amd.com/en/corporate/product-security | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| AMD | AMD Processors |
Unaffected:
Processor EPYC
|
Date Public
2020-06-17 00:00
{
"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": "2020-06-17T00:00:00.000Z",
"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": "2021-12-10T21:56:55.000Z",
"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": "2021-12-10T21:56:55.155Z",
"dateReserved": "2020-05-15T00:00:00.000Z",
"dateUpdated": "2024-09-16T23:36:11.770Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2020-12890",
"date": "2026-05-28",
"epss": "0.00045",
"percentile": "0.14162"
},
"fkie_nvd": {
"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\"}]}]}]",
"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\"}]",
"id": "CVE-2020-12890",
"lastModified": "2024-11-21T05:00:30.260",
"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\", \"baseScore\": 6.7, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"HIGH\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"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\", \"baseScore\": 7.2, \"accessVector\": \"LOCAL\", \"accessComplexity\": \"LOW\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"COMPLETE\", \"integrityImpact\": \"COMPLETE\", \"availabilityImpact\": \"COMPLETE\"}, \"baseSeverity\": \"HIGH\", \"exploitabilityScore\": 3.9, \"impactScore\": 10.0, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
"published": "2021-12-10T22:15:07.833",
"references": "[{\"url\": \"https://www.amd.com/en/corporate/product-security\", \"source\": \"psirt@amd.com\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://www.amd.com/en/corporate/product-security\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}]",
"sourceIdentifier": "psirt@amd.com",
"vulnStatus": "Modified",
"weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"NVD-CWE-noinfo\"}]}]"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2020-12890\",\"sourceIdentifier\":\"psirt@amd.com\",\"published\":\"2021-12-10T22:15:07.833\",\"lastModified\":\"2024-11-21T05:00:30.260\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"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\",\"baseScore\":6.7,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"HIGH\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"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\",\"baseScore\":7.2,\"accessVector\":\"LOCAL\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"COMPLETE\",\"integrityImpact\":\"COMPLETE\",\"availabilityImpact\":\"COMPLETE\"},\"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\"]},{\"url\":\"https://www.amd.com/en/corporate/product-security\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}"
}
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
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.
Loading…
Loading…