VULNERABILITY INTELLIGENCE

CVE-2020-9934

CVSS score5.5 MEDIUM

EPSS probability3.21%

CISA KEVKnown exploited vulnerability

Published2020-10-16

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Known Exploited Vulnerability

Apple iOS, iPadOS, and macOS Input Validation Vulnerability

Vendor / product: Apple / iOS, iPadOS, and macOS

Description

An issue existed in the handling of environment variables. This issue was addressed with improved validation. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6. A local user may be able to view sensitive user information.

Primary references

product-security@apple.com — Release Notes, Vendor Advisory
product-security@apple.com — Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Release Notes, Vendor Advisory
134c704f-9b21-4f2e-91b3-4a467353bcc0 — US Government Resource