Vulnerability · Published Aug 24, 2021 · Assigned by apple
CVE-2021-30856
Critical 9.1
In plain English
A critical-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 0.9% (higher than 61% of all known vulnerabilities).
Severity (CVSS NVD)9.1Critical
Exploit odds (30 days)0.9%top 39.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
This issue was addressed by adding a new Remote Login option for opting into Full Disk Access for Secure Shell sessions. This issue is fixed in macOS Big Sur 11.3. A malicious unsandboxed app on a system with Remote Login enabled may bypass Privacy preferences.
Affected products (as reported)
References
- https://support.apple.com/en-us/HT212325 x_refsource_MISC