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Case File

CVE-2021-40531

CRITICAL · CVSS 9.8 EPSS 32.77% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-09-06 · 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. Its EPSS score suggests a 32.8% probability of exploitation in the next 30 days. It may be remotely exploitable.

Public Exploit Signal

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

Detected Signals
remote code execution code execution

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

CVE
CVE-2021-40531
Severity
CRITICAL
CVSS
9.8
EPSS
32.77%

Original NVD Description

Sketch before 75 allows library feeds to be used to bypass file quarantine. Files are automatically downloaded and opened, without the com.apple.quarantine extended attribute. This results in remote code execution, as demonstrated by CommandString in a terminal profile to Terminal.app.

Related CVEs

Other vulnerabilities affecting the same vendor(s)