Auth bypass in Apple macOS
CVE-2021-30702
A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina, Security Update 2021-004 Mojave. A person with physical access to a Mac may be able to bypass Login Window.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.003 (20.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 20.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Apple macOS — versions unspecified
- Apple Mac OS X — versions 10.14.6, 10.15.7
Weakness classification (CWE)
References
- support.apple.com/en-us/HT212529 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/HT212530 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/HT212531 (Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-30702?
- CVE-2021-30702 is a medium-severity vulnerability in Apple macOS, classified under Improper Authentication. CVSS score: 4.6/10. Published 2021-09-08.
- How severe is CVE-2021-30702?
- Medium severity. CVSS v3 base score is 4.6 out of 10.