Vulnerability in Apple macOS
CVE-2020-3855
An access issue was addressed with improved access restrictions. This issue is fixed in macOS Catalina 10.15.3, Security Update 2020-001 Mojave, Security Update 2020-001 High Sierra. A malicious application may be able to overwrite arbitrary files.
EPSS: 0.007 (48.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H.
Affected products
- Apple Macos — versions unspecified
- Apple Mac_os_x
Public proof-of-concept exploits
References
- product-security@apple.com (x_refsource_MISC, Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-3855?
- CVE-2020-3855 is a high-severity vulnerability in Apple macOS. CVSS score: 7.1/10. Published 2020-10-27.
- How severe is CVE-2020-3855?
- High severity. CVSS v3 base score is 7.1 out of 10.
- Is CVE-2020-3855 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.