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vuln-cve/data/2023/20xxx/CVE-2023-20821.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"cveMetadata": {
"cveId": "CVE-2023-20821",
"assignerOrgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374",
"state": "PUBLISHED",
"assignerShortName": "MediaTek",
"dateReserved": "2022-10-28T02:03:23.673Z",
"datePublished": "2023-09-04T02:27:17.577Z",
"dateUpdated": "2024-10-10T17:06:16.142Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374",
"shortName": "MediaTek",
"dateUpdated": "2023-09-04T02:27:17.577Z"
},
"descriptions": [
{
"lang": "en",
"value": "In nvram, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07937113; Issue ID: ALPS07937113."
}
],
"affected": [
{
"vendor": "MediaTek, Inc.",
"product": "MT2713, MT2735, MT6833, MT6835, MT6853, MT6855, MT6873, MT6875, MT6877, MT6879, MT6880, MT6883, MT6885, MT6886, MT6889, MT6890, MT6891, MT6893, MT6895, MT6980, MT6983, MT6985, MT6990, MT8167, MT8167S, MT8168, MT8173, MT8175, MT8185, MT8188, MT8195, MT8321, MT8362A, MT8365, MT8385, MT8395, MT8666, MT8673, MT8675, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791, MT8791T, MT8797",
"versions": [
{
"version": "Android 11.0, 12.0, 13.0 / OpenWrt 1907, 2102 / Yocto 2.6 / RDK-B 22Q3",
"status": "affected"
}
]
}
],
"references": [
{
"url": "https://corp.mediatek.com/product-security-bulletin/September-2023"
}
],
"problemTypes": [
{
"descriptions": [
{
"type": "text",
"lang": "en",
"description": "Elevation of Privilege"
}
]
}
]
},
"adp": [
{
"providerMetadata": {
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE",
"dateUpdated": "2024-08-02T09:14:41.174Z"
},
"title": "CVE Program Container",
"references": [
{
"url": "https://corp.mediatek.com/product-security-bulletin/September-2023",
"tags": [
"x_transferred"
]
}
]
},
{
"affected": [
{
"vendor": "mediatek",
"product": "mt2713",
"cpes": [
"cpe:2.3:h:mediatek:mt2713:-:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"versions": [
{
"version": "0",
"status": "affected",
"lessThanOrEqual": "*",
"versionType": "custom"
}
]
},
{
"vendor": "mediatek",
"product": "mt2735",
"cpes": [
"cpe:2.3:h:mediatek:mt2735:-:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"versions": [
{
"version": "0",
"status": "affected",
"lessThanOrEqual": "*",
"versionType": "custom"
}
]
},
{
"vendor": "mediatek",
"product": "mt6833",
"cpes": [
"cpe:2.3:h:mediatek:mt6833:-:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"versions": [
{
"version": "0",
"status": "affected",
"lessThanOrEqual": "*",
"versionType": "custom"
}
]
},
{
"vendor": "mediatek",
"product": "mt6835",
"cpes": [
"cpe:2.3:h:mediatek:mt6835:-:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"versions": [
{
"version": "0",
"status": "affected",
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"versionType": "custom"
}
]
},
{
"vendor": "mediatek",
"product": "mt6853",
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],
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{
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"lessThanOrEqual": "*",
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}
]
},
{
"vendor": "mediatek",
"product": "mt6855",
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"cpe:2.3:h:mediatek:mt6855:-:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"versions": [
{
"version": "0",
"status": "affected",
"lessThanOrEqual": "*",
"versionType": "custom"
}
]
},
{
"vendor": "mediatek",
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"cpe:2.3:h:mediatek:mt6873:-:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"versions": [
{
"version": "0",
"status": "affected",
"lessThanOrEqual": "*",
"versionType": "custom"
}
]
},
{
"vendor": "mediatek",
"product": "mt6875",
"cpes": [
"cpe:2.3:h:mediatek:mt6875:-:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"versions": [
{
"version": "0",
"status": "affected",
"lessThanOrEqual": "*",
"versionType": "custom"
}
]
},
{
"vendor": "mediatek",
"product": "mt6877",
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"cpe:2.3:h:mediatek:mt6877:-:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"versions": [
{
"version": "0",
"status": "affected",
"lessThanOrEqual": "*",
"versionType": "custom"
}
]
},
{
"vendor": "mediatek",
"product": "mt6879",
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"cpe:2.3:h:mediatek:mt6879:-:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"versions": [
{
"version": "0",
"status": "affected",
"lessThanOrEqual": "*",
"versionType": "custom"
}
]
},
{
"vendor": "mediatek",
"product": "mt6880",
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],
"defaultStatus": "unknown",
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{
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"status": "affected",
"lessThanOrEqual": "*",
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}
]
},
{
"vendor": "mediatek",
"product": "mt6883",
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],
"defaultStatus": "unknown",
"versions": [
{
"version": "0",
"status": "affected",
"lessThanOrEqual": "*",
"versionType": "custom"
}
]
},
{
"vendor": "mediatek",
"product": "mt6885",
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],
"defaultStatus": "unknown",
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{
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"status": "affected",
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}
]
},
{
"vendor": "mediatek",
"product": "mt6886",
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],
"defaultStatus": "unknown",
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{
"version": "0",
"status": "affected",
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"versionType": "custom"
}
]
},
{
"vendor": "mediatek",
"product": "mt6889",
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],
"defaultStatus": "unknown",
"versions": [
{
"version": "0",
"status": "affected",
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}
]
},
{
"vendor": "mediatek",
"product": "mt6890",
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],
"defaultStatus": "unknown",
"versions": [
{
"version": "0",
"status": "affected",
"lessThanOrEqual": "*",
"versionType": "custom"
}
]
},
{
"vendor": "mediatek",
"product": "mt6891",
"cpes": [
"cpe:2.3:h:mediatek:mt6891:-:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"versions": [
{
"version": "0",
"status": "affected",
"lessThanOrEqual": "*",
"versionType": "custom"
}
]
},
{
"vendor": "mediatek",
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],
"defaultStatus": "unknown",
"versions": [
{
"version": "0",
"status": "affected",
"lessThanOrEqual": "*",
"versionType": "custom"
}
]
},
{
"vendor": "mediatek",
"product": "mt6895",
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"cpe:2.3:h:mediatek:mt6895:-:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"versions": [
{
"version": "0",
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"versionType": "custom"
}
]
},
{
"vendor": "mediatek",
"product": "mt6980",
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],
"defaultStatus": "unknown",
"versions": [
{
"version": "0",
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"lessThanOrEqual": "*",
"versionType": "custom"
}
]
},
{
"vendor": "mediatek",
"product": "mt6983",
"cpes": [
"cpe:2.3:h:mediatek:mt6983:-:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"versions": [
{
"version": "0",
"status": "affected",
"lessThanOrEqual": "*",
"versionType": "custom"
}
]
},
{
"vendor": "mediatek",
"product": "mt6985",
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"cpe:2.3:h:mediatek:mt6985:-:*:*:*:*:*:*:*"
],
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{
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}
]
},
{
"vendor": "mediatek",
"product": "mt6990",
"cpes": [
"cpe:2.3:h:mediatek:mt6990:-:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"versions": [
{
"version": "0",
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}
]
},
{
"vendor": "mediatek",
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}
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{
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}
]
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{
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{
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]
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{
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{
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}
]
},
{
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{
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]
},
{
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]
},
{
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]
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{
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{
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],
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},
{
"vendor": "mediatek",
"product": "mt8385",
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],
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{
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]
},
{
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],
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{
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}
]
},
{
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"product": "mt8666",
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],
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}
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{
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],
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{
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}
]
},
{
"vendor": "mediatek",
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],
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{
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}
]
},
{
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],
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{
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}
]
},
{
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],
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{
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}
]
},
{
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],
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{
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}
]
},
{
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],
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}
]
},
{
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],
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}
]
},
{
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],
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{
"version": "0",
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}
]
},
{
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],
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}
]
},
{
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],
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"version": "0",
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"lessThanOrEqual": "*",
"versionType": "custom"
}
]
},
{
"vendor": "mediatek",
"product": "mt8791t",
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],
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{
"version": "0",
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}
]
},
{
"vendor": "mediatek",
"product": "mt8797",
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],
"defaultStatus": "unknown",
"versions": [
{
"version": "0",
"status": "affected",
"lessThanOrEqual": "*",
"versionType": "custom"
}
]
},
{
"vendor": "google",
"product": "android",
"cpes": [
"cpe:2.3:o:google:android:12.0:*:*:*:*:*:*:*",
"cpe:2.3:o:google:android:13.0:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"versions": [
{
"version": "12.0",
"status": "affected"
},
{
"version": "13.0",
"status": "affected"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 6.7,
"attackVector": "LOCAL",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "HIGH",
"confidentialityImpact": "HIGH"
}
},
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2024-10-10T17:04:56.340129Z",
"id": "CVE-2023-20821",
"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": "2024-10-10T17:06:16.142Z"
}
}
]
}
}