CVE-2021-42756

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.

Score

CVSS 3.1 9.8 Critical

Status

Modified - psirt@fortinet.com

Published

2023-02-16

Last modified

2024-10-23

Weaknesses

CWE-121, CWE-787

Affected products

• Fortiweb (Fortinet)

References

• https://fortiguard.com/psirt/FG-IR-21-186