Vulnerability Intelligence Report
Apple iOS, iPadOS, and macOS Input Validation Vulnerability
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.
CISA KEV
SSVC: Active Exploitation
CVSS Base Score
5.5
MEDIUM
Exploitability:1.9
Impact Score:3.6
EPSS Probability:3.21%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
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Weaponization
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SSVC Action
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Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Apple | iOS | unspecified < iOS 13.6 and iPadOS 13.6 (affected) |
| Apple | macOS | unspecified < macOS Catalina 10.15.6 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Apple Inc. · Vendor · USA |
| Reserved | 2020-03-02T00:00:00 |
| Published | 2020-10-16T16:51:05 |
| Last Updated | 2025-10-21T23:35:35 |
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