Vulnerability Monitor

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CVE-2020-9934

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.

Published

2020-10-16T17:15:17.637

Last Modified

2025-10-23T18:04:37.067

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 5.5 (MEDIUM)

CVSSv2 Vector

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

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: NONE
Availability Impact: NONE

Exploitability Score

3.9

Impact Score

2.9

Weaknesses

Type: Primary
NVD-CWE-noinfo

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	apple	ipados	< 13.6	Yes
Operating System	apple	iphone_os	< 13.6	Yes
Operating System	apple	mac_os_x	< 10.15.6	Yes

References

https://support.apple.com/HT211288 Release Notes, Vendor Advisory ([email protected])
https://support.apple.com/HT211289 Release Notes, Vendor Advisory ([email protected])
https://support.apple.com/HT211288 Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/HT211289 Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-9934 US Government Resource (134c704f-9b21-4f2e-91b3-4a467353bcc0)