CVE-2021-42756

State: Published
Severity: 9.3 Critical
Published: Feb 16, 2023
Updated: Oct 23, 2024
Reserved: Oct 20, 2021

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.

Scores

CVSS	Score	Vector	Source
3.1	9.3 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:U/RC:C	fortinet

Weaknesses

CWE-121 Execute unauthorized code or commands

Affected Products

Product	Versions
FortiWebFortinet	6.4.0 through 6.4.1Affected 6.3.0 through 6.3.16Affected 6.2.0 through 6.2.6Affected 6.1.0 through 6.1.2Affected 6.0.0 through 6.0.7Affected 5.9.0 through 5.9.1Affected 5.8.5 through 5.8.7Affected 5.8.0 through 5.8.3Affected 5.7.0 through 5.7.3Affected 5.6.0 through 5.6.2Affected 5.8.0 to before 5.8.Affected 5.7.0 to before 5.7.Affected 5.6.0 to before 5.6.*Affected

References

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

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