Vulnerability Intelligence Report
Apple Multiple Products Memory Corruption Vulnerability
CVE-2020-3837
A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 13.3.1 and iPadOS 13.3.1, macOS Catalina 10.15.3, tvOS 13.3.1, watchOS 6.1.2. An application may be able to execute arbitrary code with kernel privileges.
CISA KEV
SSVC: Active Exploitation
CVSS Base Score
7.8
HIGH
Exploitability:1.9
Impact Score:5.9
EPSS Probability:16.11%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-787 ↗CWE-787 Out-of-bounds Write
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Apple | iOS | unspecified < iOS 13.3.1 and iPadOS 13.3.1 (affected) |
| Apple | macOS | unspecified < macOS Catalina 10.15.3 (affected) |
| Apple | tvOS | unspecified < tvOS 13.3.1 (affected) |
| Apple | watchOS | unspecified < watchOS 6.1.2 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Apple Inc. · Vendor · USA |
| Reserved | 2019-12-18T00:00:00 |
| Published | 2020-02-27T20:45:04 |
| Last Updated | 2025-10-21T23:35:50 |
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