Vulnerability · Published Oct 19, 2021 · Assigned by apple
CVE-2021-30844
High 7.5
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 1.8% (higher than 79% of all known vulnerabilities).
Severity (CVSS NVD)7.5High
Exploit odds (30 days)1.8%top 21.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A logic issue was addressed with improved state management. This issue is fixed in Security Update 2021-005 Catalina, macOS Big Sur 11.6. A remote attacker may be able to leak memory.
Affected products (as reported)
References
- https://support.apple.com/en-us/HT212804 x_refsource_MISC
- https://support.apple.com/en-us/HT212805 x_refsource_MISC
- https://support.apple.com/kb/HT212871 x_refsource_CONFIRM
- https://support.apple.com/kb/HT212872 x_refsource_CONFIRM