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CVE-2023-20959

Status: ModifiedHigh (7.8)—

In AddSupervisedUserActivity, guest users are not prevented from starting the activity due to missing permissions checks. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-249057848

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-2023-20959",
  "cveTags": [],
  "metrics": {
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          "options": [
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            },
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          ],
          "version": "2.0.3",
          "timestamp": "2025-02-21T15:24:16.945552Z"
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    }
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  "lastModified": "2026-06-17T05:31:19.037",
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