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CVE-2021-1782

A race condition was addressed with improved locking. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update...

Basic Information

CVE State: PUBLISHED
Reserved Date: December 08, 2020
Published Date: April 02, 2021
Last Updated: February 03, 2025
Vendor: Apple
Product: iOS and iPadOS, macOS
Description: A race condition was addressed with improved locking. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. A malicious application may be able to elevate privileges. Apple is aware of a report that this issue may have been actively exploited..

CVSS Scores

SSVC Information

Exploitation: active
Technical Impact: total

Exploit Status

Exploited in the Wild: Yes (added 2021-11-03 00:00:00 UTC) Source
Proof of Concept Available: Yes (added 2021-02-10 14:38:05 UTC) Source

References

https://support.apple.com/en-us/HT212147 https://support.apple.com/en-us/HT212146 https://support.apple.com/en-us/HT212148 https://support.apple.com/en-us/HT212149

Known Exploited Vulnerability Information

Source	Added Date
CISA	2021-11-03 00:00:00 UTC

Potential Proof of Concepts

Warning: These PoCs have not been tested and could contain malware. Use at your own risk.

synacktiv/CVE-2021-1782

Type: github • Created: 2021-02-10 14:38:05 UTC • Stars: 39