Lock-screen note disclosure via missing authorization checks
Published Sep 8, 2021 · Updated Aug 3, 2024
Missing authorization in Apple iOS and iPadOS before 14.5 allows physically proximate attackers to access notes from the lock screen. Apple identifies Accessibility as the affected component and says improved checks corrected the issue, but has not disclosed which lock-screen authorization check was missing. Exploitation requires physical access to an affected device and exposes note contents without reported modification or broader device control.
Summary
What happened
Missing authorization in Apple iOS and iPadOS before 14.5 allows physically proximate attackers to access notes from the lock screen. Apple identifies Accessibility as the affected component and says improved checks corrected the issue, but has not disclosed which lock-screen authorization check was missing. Exploitation requires physical access to an affected device and exposes note contents without reported modification or broader device control.
The record
- CVE
- CVE-2021-1835
- Published
- Sep 8, 2021
- Updated
- Aug 3, 2024
- Vendor
- Apple
- Product
- iOS and iPadOS
- Classifications
- CWE-862, T1429
- Attack vector
- physical
- Privileges
- unauthenticated
Timeline
How it unfolded
- Sep 8, 2021CVE 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?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=unspecified <14.5
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.
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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