VulnerabilityModified

CVE-2021-30856

This issue was addressed by adding a new Remote Login option for opting into Full Disk Access for Secure Shell sessions.

CRITICAL 9.1EPSS 0.94%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.94%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 3.1: 9.1 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS: 0.94% probability · 59th percentile
CISA KEV: Not listed
Weakness: CWE-863
Affected: apple/macos
Source: product-security@apple.com

References

https://support.apple.com/en-us/HT212325
https://support.apple.com/en-us/HT212325

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.