Vulnerability identifier: #VU57717
Vulnerability risk: Low
CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-30906
CWE-ID:
CWE-264
Exploitation vector: Local
Exploit availability: No
Vulnerable software:
macOS
Operating systems & Components /
Operating system
Vendor: Apple Inc.
Description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due improper permissions checks in iCloud. A local user can bypass security restrictions bypass and escalate privileges on the system.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
macOS: 11.0 20A2411 - 11.6 20G165
External links
http://support.apple.com/en-us/HT212872
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.