What’s Vulnerable › Vulnerabilities

CVE-2021-0307

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-01-11 · updated 2026-06-17

Description

In updatePermissionSourcePackage of PermissionManagerService.java, there is a possible automatic runtime permission grant due to a confused deputy. This could lead to local escalation of privilege allowing a malicious app to silently gain access to a dangerous permission with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android; Versions: Android-10, Android-11; Android ID: A-155648771.

Affected products

• Android: 10.0, 11.0

References

• https://source.android.com/security/bulletin/2021-01-01
• https://source.android.com/security/bulletin/2021-01-01

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