Auth bypass in Apple macOS
CVE-2021-30975
This issue was addressed by disabling execution of JavaScript when viewing a scripting dictionary. This issue is fixed in macOS Monterey 12.1, Security Update 2021-008 Catalina, macOS Big Sur 11.6.2. A malicious OSAX scripting addition may bypass Gatekeeper checks and circumvent sandbox restrictions.
Vulnerability class: Broken Access Control
EPSS: 0.018 (76.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.
Affected products
- Apple Macos — versions unspecified
- Apple Mac_os_x — versions 10.15.7
Weakness classification (CWE)
Public proof-of-concept exploits
References
- product-security@apple.com (x_refsource_MISC)
- product-security@apple.com (x_refsource_MISC)
- product-security@apple.com (x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-30975?
- CVE-2021-30975 is a high-severity vulnerability in Apple macOS, classified under Incorrect Authorization. CVSS score: 8.6/10. Published 2021-08-24.
- How severe is CVE-2021-30975?
- High severity. CVSS v3 base score is 8.6 out of 10.
- Is CVE-2021-30975 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.