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CVE-2023-21235

Status: ModifiedHigh (7.8)—

In onCreate of LockSettingsActivity.java, there is a possible way set a new lockscreen PIN without entering the existing PIN due to a permissions bypass. This could lead to local escalation of privilege 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-2023-21235",
  "cveTags": [],
  "metrics": {
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          "options": [
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          "version": "2.0.3",
          "timestamp": "2024-10-09T14:19:37.048851Z"
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          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.8
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  "affected": [
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      "affectedData": [
        {
          "vendor": "Google",
          "product": "Android",
          "versions": [
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              "version": "13"
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  ],
  "published": "2023-08-14T22:15:12.537",
  "references": [
    {
      "url": "https://source.android.com/docs/security/bulletin/wear/2023/2023-08-01",
      "tags": [
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      "source": "security@android.com"
    },
    {
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      "lang": "en",
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    }
  ],
  "lastModified": "2026-06-17T05:32:08.433",
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