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CVE-2020-3837

A memory corruption issue was addressed with improved memory handling.

Published
Last modified
published
Listed in CISA KEV
Fix
Fixed in iOS 13.3.1 and iPadOS 13.3.1, macOS Catalina 10.15.3, tvOS 13.3.1, watchOS 6.1.2
None on Exploit-DB, Metasploit or GitHub

Summary

Apple's iOS, iPadOS, macOS, tvOS, and watchOS operating systems are affected by a memory corruption flaw. A malicious application could exploit it to run arbitrary code with kernel-level privileges, giving it full control over the device.

Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.

Read the original description

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.

Timeline

  1. CVE published
  2. Added to CISA KEV

    CISA has evidence of exploitation in the wild

  3. CISA remediation deadline

    Due date for US federal agencies to patch

  4. Record last updated
  5. EPSS reached 10%

    FIRST estimates at least a 10% chance of exploitation in the next 30 days

Affected versions

  • Apple iOS

    From unspecified · fixed in iOS 13.3.1 and iPadOS 13.3.1

  • Apple macOS

    From unspecified · fixed in macOS Catalina 10.15.3

  • Apple tvOS

    From unspecified · fixed in tvOS 13.3.1

  • Apple watchOS

    From unspecified · fixed in watchOS 6.1.2

References 4

support.apple.com