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Case File

CVE-2021-1770

CRITICAL · CVSS 9.8 EPSS 2.75% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-09-08 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. Public exploit code or proof-of-concept references have been detected in its references.

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-2021-1770
Severity
CRITICAL
CVSS
9.8
EPSS
2.75%

Original NVD Description

A buffer overflow may result in arbitrary code execution. This issue is fixed in macOS Big Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. A logic issue was addressed with improved state management.

Related CVEs

Other vulnerabilities affecting the same vendor(s)