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Medium severity5.4NVD Advisory· Published Apr 12, 2021· Updated Jun 17, 2026

CVE-2019-17656

CVE-2019-17656

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.

Affected products

5
  • Fortinet/Fortiproxy3 versions
    cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*range: >=1.0.0,<1.2.10
    • (no CPE)range: <=1.0.x, <=1.1.x, <=1.2.9, <=2.0.0
    • (no CPE)range: FortiProxy 1.0.x, 1.1.x, 1.2.9 and below, 2.0.0 and below; FortiOS 6.0.10 and below, 6.2.2 and below
  • Fortinet/Fortios2 versions
    cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*range: <=6.0.10
    • (no CPE)range: <=6.0.10, <=6.2.2

Patches

Vulnerability mechanics

References

2

News mentions

0

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