CVE-2019-17656 is a stack-based buffer overflow vulnerability in the HTTPD daemon of FortiOS (versions 6.0.10 and below, 6.2.2 and below) and FortiProxy (versions 1.0.x, 1.1.x, 1.2.9 and below, 2.0.0 and below). An authenticated remote attacker can crash the service by sending a malformed PUT request, resulting in a denial of service. With a CVSS score of 6.5 (Medium), this vulnerability requires authentication and has a low attack complexity, impacting availability. There is no evidence of active exploitation, public exploit code, or significant community discussion, and it is not listed in CISA's KEV catalog.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 1.0.0, < 1.2.10CPE matchmatch criteria | cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:* | ||
>= 2.0.0, < 2.0.2CPE matchmatch criteria | cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:* | ||
<= 6.0.10CPE matchmatch criteria | cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:* | ||
>= 6.2.0, <= 6.2.2CPE matchmatch criteria | cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
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