High severity7.8NVD Advisory· Published Feb 27, 2020· Updated Jun 17, 2026

CVE-2020-3840

Description

An off by one issue existed in the handling of racoon configuration files. This issue was addressed through improved bounds checking. This issue is fixed in iOS 13.3.1 and iPadOS 13.3.1, macOS Catalina 10.15.3, tvOS 13.3.1. Loading a maliciously crafted racoon configuration file may lead to arbitrary code execution.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Apple Inc./macOS Catalinallm-fuzzy
Range: =10.15.3
Apple Inc./tvOSllm-fuzzy2 versions
=13.3.1+ 1 more
- (no CPE)range: =13.3.1
- (no CPE)range: unspecified
Apple Inc./Ipadosllm-fuzzy
Range: =13.3.1
Apple Inc./iOSllm-fuzzy2 versions
=13.3.1+ 1 more
- (no CPE)range: =13.3.1
- (no CPE)range: unspecified
Apple Inc./macOSv5
Range: unspecified

Patches

Vulnerability mechanics

References

support.apple.com/HT210918nvdRelease NotesVendor Advisory
support.apple.com/HT210919nvdRelease NotesVendor Advisory
support.apple.com/HT210920nvdRelease NotesVendor Advisory

News mentions

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cvss	0.507
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000