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CVE-2023-21140

Status: ModifiedMedium (6.8)—

In onCreate of ManagePermissionsActivity.java, there is a possible way to bypass factory reset protections due to a missing permission check. This could lead to local escalation of privilege with physical access to a device that's been factory reset with no additional execution privileges needed. User interaction is not needed for exploitation.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Google — Android

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2023-21140",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-21140",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-10-09T19:01:51.514540Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.8,
          "attackVector": "PHYSICAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 0.9
      },
      {
        "type": "Secondary",
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        "cvssData": {
          "scope": "UNCHANGED",
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          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
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      }
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  },
  "affected": [
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          "product": "Android",
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              "status": "affected",
              "version": "12L"
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  "published": "2023-08-14T21:15:11.487",
  "references": [
    {
      "url": "https://android.googlesource.com/platform/packages/modules/Permission/+/0679e4f35055729be7276536fe45fe8ec18a0453",
      "tags": [
        "Patch"
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      "source": "security@android.com"
    },
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      "url": "https://source.android.com/security/bulletin/2023-08-01",
      "tags": [
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        "Vendor Advisory"
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      "source": "security@android.com"
    },
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      "url": "https://android.googlesource.com/platform/packages/modules/Permission/+/0679e4f35055729be7276536fe45fe8ec18a0453",
      "tags": [
        "Patch"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://source.android.com/security/bulletin/2023-08-01",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-862"
        }
      ]
    },
    {
      "type": "Secondary",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
        {
          "lang": "en",
          "value": "CWE-862"
        }
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    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In onCreate of ManagePermissionsActivity.java, there is a possible way to bypass factory reset protections due to a missing permission check. This could lead to local escalation of privilege with physical access to a device that's been factory reset with no additional execution privileges needed. User interaction is not needed for exploitation.\n\n"
    }
  ],
  "lastModified": "2026-06-17T05:31:55.847",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:google:android:12.0:-:*:*:*:*:*:*",
              "vulnerable": true,
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            },
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              "vulnerable": true,
              "matchCriteriaId": "F3B54CC6-C4CB-4BBD-AADC-BC7A80F4F621"
            },
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              "matchCriteriaId": "08A26AC2-409E-499A-B0D5-8C2B5038947D"
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          "operator": "OR"
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  "sourceIdentifier": "security@android.com"
}