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..
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Apple | iOS and iPadOS | unspecified – < 14.4 | 14.4 |
| Apple | macOS | unspecified – < 11.2, unspecified – < 7.3, unspecified – < 14.4 | 11.2 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 2 repositories
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synacktiv/CVE-2021-1782 ★ 40 · Feb 10, 2021
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raymontag/cve-2021-1782 ★ 0 · Feb 4, 2021
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.