Auth bypass in Apple macOS

CVE-2021-30987

An access issue was addressed with improved access restrictions. This issue is fixed in macOS Monterey 12.1. A device may be passively tracked via BSSIDs.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

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

EPSS exploit prediction

EPSS: 0.003 (15.4th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 15th percentile — 15.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-30987: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-30987?
CVE-2021-30987 is a medium-severity vulnerability in Apple macOS, classified under Incorrect Authorization. CVSS score: 5.5/10. Published 2021-08-24.
How severe is CVE-2021-30987?
Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2021-30987 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.