CVE-2020-9934

5.5 MEDIUM CISA KEV - Actively Exploited
Published: October 16, 2020 Modified: October 23, 2025
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://support.apple.com/HT211288
Source: product-security@apple.com
Release Notes Vendor Advisory
https://support.apple.com/HT211289
Source: product-security@apple.com
Release Notes Vendor Advisory
https://support.apple.com/HT211288
Source: af854a3a-2127-422b-91ae-364da2661108
Release Notes Vendor Advisory
https://support.apple.com/HT211289
Source: af854a3a-2127-422b-91ae-364da2661108
Release Notes Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-9934
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
US Government Resource

5 reference(s) from NVD

Quick Stats

CVSS v3 Score
5.5 / 10.0
EPSS (Exploit Probability)
2.1%
84th percentile
Exploitation Status
Actively Exploited
Remediation due: 2022-09-29

Affected Vendors

apple