CVE-2019-17656
MEDIUMFortiProxy 1.0.x-1.2.9 and FortiOS < 6.0.10 - Authenticated Denial of Service via Malformed PUT Request
Title source: llmDescription
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.
References (2)
Core 2
Core References
Vendor Advisory x_refsource_confirm
https://fortiguard.com/advisory/FG-IR-19-248
Vendor Advisory x_refsource_confirm
https://fortiguard.com/advisory/FG-IR-21-007
Scores
CVSS v3
5.4
EPSS
0.0273
EPSS Percentile
86.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-787
Status
published
Products (2)
fortinet/fortios
< 6.0.10
fortinet/fortiproxy
1.0.0 - 1.2.10
Published
Apr 12, 2021
Tracked Since
Feb 18, 2026