Vulnerabilities > CVE-2021-42756 - Out-of-bounds Write vulnerability in Fortinet Fortiweb

CVSS 9.8 - CRITICAL

Attack vector

NETWORK

Attack complexity

LOW

Privileges required

NONE

Confidentiality impact

HIGH

Integrity impact

HIGH

Availability impact

HIGH

network

low complexity

fortinet

CWE-787

critical

NVD

Published: 2023-02-16

Updated: 2024-11-21

Summary

Multiple stack-based buffer overflow vulnerabilities [CWE-121] in the proxy daemon of FortiWeb 5.x all versions, 6.0.7 and below, 6.1.2 and below, 6.2.6 and below, 6.3.16 and below, 6.4 all versions may allow an unauthenticated remote attacker to achieve arbitrary code execution via specifically crafted HTTP requests.

Vulnerable Configurations

Part	Description	Count
Application	Fortinet Fortinet Fortiweb 6.3.0 Fortinet Fortiweb 6.3.1 Fortinet Fortiweb 6.3.2 Fortinet Fortiweb 6.3.3 Fortinet Fortiweb 6.3.4 Fortinet Fortiweb 6.3.5 Fortinet Fortiweb 6.3.6 Fortinet Fortiweb 6.3.7 Fortinet Fortiweb 6.3.8 Fortinet Fortiweb 6.3.9 Fortinet Fortiweb 6.3.10 Fortinet Fortiweb 6.3.11 Fortinet Fortiweb 6.3.12 Fortinet Fortiweb 6.3.13 Fortinet Fortiweb 6.3.14 Fortinet Fortiweb 6.3.15 Fortinet Fortiweb 6.3.16 Fortinet Fortiweb 6.3.17 Fortinet Fortiweb 6.2.0 Fortinet Fortiweb 6.2.1 Fortinet Fortiweb 6.2.2 Fortinet Fortiweb 6.2.3 Fortinet Fortiweb 6.2.4 Fortinet Fortiweb 6.2.5 Fortinet Fortiweb 6.2.6 Fortinet Fortiweb 6.4.0 Fortinet Fortiweb 6.4.1 Fortinet Fortiweb 6.4.2 Fortinet Fortiweb 6.1.0 Fortinet Fortiweb 6.1.1 Fortinet Fortiweb 6.1.2 Fortinet Fortiweb 5.6.0 Fortinet Fortiweb 5.6.1 Fortinet Fortiweb 5.6.2 Fortinet Fortiweb 5.7.0 Fortinet Fortiweb 5.7.1 Fortinet Fortiweb 5.7.2 Fortinet Fortiweb 5.7.3 Fortinet Fortiweb 5.8.0 Fortinet Fortiweb 5.8.1 Fortinet Fortiweb 5.8.2 Fortinet Fortiweb 5.8.3 Fortinet Fortiweb 5.8.4 Fortinet Fortiweb 5.8.5 Fortinet Fortiweb 5.8.6 Fortinet Fortiweb 5.8.7 Fortinet Fortiweb 5.9.0 Fortinet Fortiweb 5.9.1 Fortinet Fortiweb 5.9.2 Fortinet Fortiweb 6.0.0 Fortinet Fortiweb 6.0.1 Fortinet Fortiweb 6.0.2 Fortinet Fortiweb 6.0.3 Fortinet Fortiweb 6.0.4 Fortinet Fortiweb 6.0.5 Fortinet Fortiweb 6.0.6 Fortinet Fortiweb 6.0.7	57

Common Weakness Enumeration (CWE)

CWE-787 - Out-of-bounds Write

Vulnerabilities > CVE-2021-42756 - Out-of-bounds Write vulnerability in Fortinet Fortiweb

Summary

Vulnerable Configurations

Common Weakness Enumeration (CWE)

Related news

References