Contact disclosure via Game Center permission bypass
Published Aug 24, 2021 · Updated Aug 3, 2024
Improper access control in Apple watchOS before 8.3 allows malicious applications to read sensitive contact information. The flaw is in Game Center permission validation, but Apple has not disclosed the faulty request path or validation check. Execution of a malicious application on an Apple Watch is required; the documented consequence is limited to contact-data disclosure.
Summary
What happened
Improper access control in Apple watchOS before 8.3 allows malicious applications to read sensitive contact information. The flaw is in Game Center permission validation, but Apple has not disclosed the faulty request path or validation check. Execution of a malicious application on an Apple Watch is required; the documented consequence is limited to contact-data disclosure.
The record
- CVE
- CVE-2021-31000
- Published
- Aug 24, 2021
- Updated
- Aug 3, 2024
- Vendor
- Apple
- Product
- watchOS
- Classifications
- T1432
- Attack vector
- local
- Privileges
- Unavailable
Timeline
How it unfolded
- Aug 24, 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 <12.1
- Affected versionversion=unspecified <15.2
- Affected versionversion=unspecified <8.3
What conditions does exploitation require?
What is affected?
Published CVSS scores
No CVSS assessment is available in this record.
CVSS describes severity. EPSS estimates exploitation probability.
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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