CVE-2020-9934

5.5

CVSS
Medium

PUBLISHED

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...

Exploited in the wild Low complexity No user interaction

Vendor: Apple
Product: iOS, macOS
Published: Oct 16, 2020
EPSS: —

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.

macos ios cisa nessus_scanner

CVSS scores

CVSS v3.1 5.5 Medium

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

CVSS v2.0 2.1

AV:L/AC:L/Au:N/C:P/I:N/A:N

Exploitation status

Exploited in the wild

Recorded 2022-09-08 00:00:00 UTC · Source

SSVC decision points

Exploitation: active
Automatable: No
Technical impact: partial

References

Known exploited vulnerability sources

Catalogues that list this CVE as a known exploited vulnerability.

Source	Added
CISA	Sep 08, 2022

Scanner integrations

Scanner	Reference	Detected
Nessus	https://www.tenable.com/plugins/nessus/141100	Jun 02, 2025

Potential proof of concepts

These PoCs are unverified and could contain malware. Use at your own risk.

mattshockl/CVE-2020-9934

github · Created 2020-07-27 22:09:01 UTC · 21 stars

CVE-2020–9934 POC

Vulnerability detail