Vulnerability · Published Sep 8, 2021 · Assigned by apple
CVE-2021-30719
High 7.1
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 0.3% (higher than 20% of all known vulnerabilities).
Severity (CVSS NVD)7.1High
Exploit odds (30 days)0.3%top 79.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A local user may be able to cause unexpected system termination or read kernel memory. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina. An out-of-bounds read issue was addressed by removing the vulnerable code.
Affected products (as reported)
References
- https://support.apple.com/en-us/HT212529 x_refsource_MISC
- https://support.apple.com/en-us/HT212530 x_refsource_MISC