CVE-2019-17656: fortinet fortinet fortiproxy, fortios Out-of-bounds Write
Vulnerability summary
CVE-2019-17656 is a medium (CVSS 6.5) Out-of-bounds Write vulnerability in fortinet fortinet fortiproxy, fortios. EPSS estimates a 1.57% chance of exploitation in the next 30 days, higher than 74.9% of scored vulnerabilities.
Timeline
- 12-04-2021PublishedVulnerability first disclosed.
- 25-10-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
3 scores · 2 sources · 2 versions- CVE.orgCNA5.4MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:LDiffers
EPSS trend
Probability
1.57%
Chance of exploitation in the next 30 days
Percentile
75%
Versus all other CVEs
30-day change
0.00 pp
From 1.57% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Fortinet3 products
- fortinet fortiproxy, fortiosFortiProxy 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
- fortios≤ 6.0.10 | ≥ 6.2.0, ≤ 6.2.2
- fortiproxy≥ 1.0.0, < 1.2.10 | ≥ 2.0.0, < 2.0.2
1 vendor · 3 products