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Case File

CVE-2020-3877

HIGH · CVSS 7.5 EPSS 2.05% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2020-02-27 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.5. Public exploit code or proof-of-concept references have been detected in its references. It may be remotely exploitable.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
arbitrary code execution code execution

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2020-3877
Severity
HIGH
CVSS
7.5
EPSS
2.05%

Original NVD Description

An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15.3, watchOS 6.1.2. A remote attacker may be able to cause unexpected application termination or arbitrary code execution.

Related CVEs

Other vulnerabilities affecting the same vendor(s)