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Case File

CVE-2019-17656

MEDIUM · CVSS 5.4 EPSS 1.57% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-04-12 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.4. It affects Fortinet, FortiOS. Public exploit code or proof-of-concept references have been detected in its references. It may be remotely exploitable.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit code execution

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2019-17656
Severity
MEDIUM
CVSS
5.4
EPSS
1.57%
Fortinet FortiOS

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)