CVE-2021-42756

CRITICAL

9.8

Description

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.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published2/16/2023

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

fortinet:fortiweb

Weaknesses (CWE)

CWE-121CWE-787

References

https://fortiguard.com/psirt/FG-IR-21-186(psirt@fortinet.com)

https://fortiguard.com/psirt/FG-IR-21-186(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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