Vulnerability · Published Oct 28, 2021 · Assigned by apple
CVE-2021-30821
High 7.8
In plain English
A high-severity security flaw in macOS from Apple. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 65% of all known vulnerabilities).
Severity (CVSS NVD)7.8High
Exploit odds (30 days)1.1%top 35.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Monterey 12.0.1, Security Update 2021-007 Catalina, macOS Big Sur 11.6.1. A malicious application may be able to execute arbitrary code with kernel privileges.
Affected products (as reported)
References
- https://support.apple.com/en-us/HT212869 x_refsource_MISC
- https://support.apple.com/en-us/HT212871 x_refsource_MISC
- https://support.apple.com/en-us/HT212872 x_refsource_MISC