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CVE-2021-40444

CVE

Threat entity extracted from intelligence sources

Frequency
2
occurrences
First Seen
November 13, 2025
Last Seen
June 8, 2026
API
Exploited in Wild
—
Ransomware Use
—
Public Exploits
—
Attack Vector
—

Vulnerability Overview

Exploitation Activity

Exploitation Intelligence

A critical vulnerability in FortiWeb Web Application Firewall (WAF) has been actively exploited, allowing attackers to gain full administrative access to affected systems. Organizations using FortiWeb are at risk of total control being seized by malicious actors. The flaw has been confirmed to be ex...

Recent cybersecurity reports detail the exploitation of software vulnerabilities in client applications, particularly targeting web browsers and Microsoft Office. Adversaries utilize techniques such as Drive-by Compromise and Phishing to execute malicious code, often without user interaction. Notabl...

Public Exploits

Checking GitHub for proof-of-concept code…