Vulnerability in Apple Macos
CVE-2021-30655
An application may be able to execute arbitrary code with system privileges. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina. The issue was addressed with improved permissions logic.
EPSS: 0.023 (81.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Apple Macos — versions unspecified
- Apple Mac_os_x — versions 10.15.6, 10.15.7
Public proof-of-concept exploits
References
- product-security@apple.com (x_refsource_MISC, Vendor Advisory)
- product-security@apple.com (x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-30655?
- CVE-2021-30655 is a critical-severity vulnerability in Apple Macos. CVSS score: 9.8/10. Published 2021-09-08.
- How severe is CVE-2021-30655?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2021-30655 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.