Local privilege escalation via Factory Reset Protection bypass
Published Mar 16, 2022 · Updated Aug 3, 2024
Elevation of privilege in NotificationStackScrollLayout in Android 10, 11, and 12 allows local users to bypass Factory Reset Protection. The vulnerable NotificationStackScrollLayout code permits a path around the protection during device setup or reset handling, enabling privilege escalation without requiring additional execution privileges or user interaction. Exploitation requires local access to an affected device; public records do not disclose the exact faulty operation beyond this component and bypass description.
Summary
What happened
Elevation of privilege in NotificationStackScrollLayout in Android 10, 11, and 12 allows local users to bypass Factory Reset Protection. The vulnerable NotificationStackScrollLayout code permits a path around the protection during device setup or reset handling, enabling privilege escalation without requiring additional execution privileges or user interaction. Exploitation requires local access to an affected device; public records do not disclose the exact faulty operation beyond this component and bypass description.
The record
- CVE
- CVE-2021-0957
- Published
- Mar 16, 2022
- Updated
- Aug 3, 2024
- Vendor
- Google Cloud
- Product
- Android
- Classifications
- T1548
- Attack vector
- local
- Privileges
- authenticated
Timeline
How it unfolded
- Mar 16, 2022CVE publishedPublication date reported by the CVE source.
- Aug 3, 2024Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
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- Affected versionversion=Android-10 Android-11 Android-12
What conditions does exploitation require?
What is affected?
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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