Vulnerability in Apple macOS

CVE-2021-30833

This issue was addressed with improved checks. This issue is fixed in macOS Monterey 12.0.1. Unpacking a maliciously crafted archive may allow an attacker to write arbitrary files.

EPSS: 0.427 (98.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.

Affected products

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-30833?
CVE-2021-30833 is a medium-severity vulnerability in Apple macOS. CVSS score: 5.5/10. Published 2021-10-28.
How severe is CVE-2021-30833?
Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2021-30833 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.