Vulnerability · Published Aug 24, 2021 · Assigned by apple
CVE-2021-30981
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 1.7% (higher than 78% of all known vulnerabilities).
Severity (CVSS NVD)7.8High
Exploit odds (30 days)1.7%top 22.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Monterey 12.1, Security Update 2021-008 Catalina, macOS Big Sur 11.6.2. An application may be able to execute arbitrary code with kernel privileges.
Affected products (as reported)
References
- https://support.apple.com/en-us/HT212978 x_refsource_MISC
- https://support.apple.com/en-us/HT212979 x_refsource_MISC
- https://support.apple.com/en-us/HT212981 x_refsource_MISC