CVE-2021-30827 — Improper Preservation of Permissions in Apple Macos

CWE-281 — Improper Preservation of Permissions5 documents4 sources
Severity
7.8HIGHNVD
EPSS
0.0%
top 93.09%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Apple MacosApple MAC OS X
Timeline
PublishedOct 19
Latest updateMay 24

Description

A permissions issue existed. This issue was addressed with improved permission validation. This issue is fixed in Security Update 2021-005 Catalina, macOS Big Sur 11.6. A local attacker may be able to elevate their privileges.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages3 packages

▶CVEListV5apple/macosunspecified — 11.6+1
▶NVDapple/macos11.0 — 11.6
▶NVDapple/mac_os_x10.15 — 10.15.6+1

🔴Vulnerability Details

2
GHSA
GHSA-839f-x26x-pq92: A permissions issue existed↗2022-05-24
▶
CVEList
CVE-2021-30827: A permissions issue existed↗2021-10-19
▶

📋Vendor Advisories

2
Apple
CVE-2021-30827: Security Update 2021-005 Catalina↗2021-09-13
▶
Apple
CVE-2021-30827: macOS Big Sur 11.6↗2021-09-13
▶
CVE-2021-30827 — Improper Preservation of Permissions | cvebase