Vulnerability · Published Oct 28, 2021 · Assigned by apple
CVE-2021-30817
Medium 5.5
In plain English
A medium-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 0.6% (higher than 51% of all known vulnerabilities).
Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.6%top 49.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A permissions issue was addressed with improved validation. This issue is fixed in macOS Big Sur 11.5. A malicious application may be able to access data about the accounts the user is using Family Sharing with.
Affected products (as reported)
References
- https://support.apple.com/en-us/HT212602 x_refsource_MISC