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CVE-2019-17656 Details

Description

A Stack-based Buffer Overflow vulnerability in the HTTPD daemon of FortiOS 6.0.10 and below, 6.2.2 and below and FortiProxy 1.0.x, 1.1.x, 1.2.9 and below, 2.0.0 and below may allow an authenticated remote attacker to crash the service by sending a malformed PUT request to the server. Fortinet is not aware of any successful exploitation of this vulnerability that would lead to code execution.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CNA: [email protected]CVSS-B:5.4 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://fortiguard.com/advisory/FG-IR-19-248	CVE	Vendor Advisory
https://fortiguard.com/advisory/FG-IR-21-007	CVE	Vendor Advisory
https://fortiguard.com/advisory/FG-IR-19-248	[email protected]	Vendor Advisory
https://fortiguard.com/advisory/FG-IR-21-007	[email protected]	Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-787	Out-of-bounds Write	[email protected]

Affected Products

Product	Versions
fortinet fortiproxy	>= 1.0.0, < 1.2.10 >= 2.0.0, < 2.0.2
CPE cpe:2.3:a:fortinet:fortiproxy:::::::: Remediation No remediation found in references.
fortinet fortios	<= 6.0.10 >= 6.2.0, <= 6.2.2
CPE cpe:2.3:o:fortinet:fortios:::::::: Remediation No remediation found in references.

Change History

5 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Apr 19, 2021	Initial Analysis	[email protected]