CVE-2021-30721 — Improper Input Validation in Apple Macos

CWE-20 — Improper Input Validation8 documents5 sources
Severity
6.5MEDIUMNVD
EPSS
0.5%
top 33.96%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Apple MacosApple MAC OS X
Timeline
PublishedSep 8
Latest updateMay 24

Description

A path handling issue was addressed with improved validation. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina, Security Update 2021-004 Mojave. An attacker in a privileged network position may be able to leak sensitive user information.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NExploitability: 2.8 | Impact: 3.6

Affected Packages3 packages

▶CVEListV5apple/macosunspecified — 11.4+1
▶NVDapple/macos11.0.1 — 11.4
▶NVDapple/mac_os_x10.14.0 — 10.14.5+3

🔴Vulnerability Details

2
GHSA
GHSA-v77v-xvcj-46mx: A path handling issue was addressed with improved validation↗2022-05-24
▶
CVEList
CVE-2021-30721: A path handling issue was addressed with improved validation↗2021-09-08
▶

📋Vendor Advisories

3
Apple
CVE-2021-30721: Security Update 2021-003 Catalina↗2021-05-24
▶
Apple
CVE-2021-30721: Security Update 2021-004 Mojave↗2021-05-24
▶
Apple
CVE-2021-30721: macOS Big Sur 11.4↗2021-05-24
▶

🕵️Threat Intelligence

2
Talos
Vulnerability Spotlight: A deep dive into macOS SMB server↗2021-06-02
▶
Talos
Vulnerability Spotlight: A deep dive into macOS SMB server↗2021-06-02
▶
CVE-2021-30721 — Improper Input Validation in Apple | cvebase