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Vulnerability record · CVE-2019-17657 · published 7 April 2020

CVE-2019-17657: Fortinet fortianalyzer uncontrolled resource consumption vulnerability

Fortinet · Fortianalyzer

An Uncontrolled Resource Consumption vulnerability in Fortinet FortiSwitch below 3.6.11, 6.0.6 and 6.2.2, FortiAnalyzer below 6.2.3, FortiManager below 6.2.3 and FortiAP-S/W2 below 6.2.2 may allow an attacker to cause admin webUI denial of service (DoS) via handling special crafted HTTP requests/responses in pieces slowly, as demonstrated by Slow HTTP DoS Attacks.

7.5 CVSS 3.1 High EPSS 2.4% · top 16.3% CWE-400 · Uncontrolled resource consumption
7.5CVSS 3.1 base score, v2 5.0
2.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
5Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

An Uncontrolled Resource Consumption vulnerability in Fortinet FortiSwitch below 3.6.11, 6.0.6 and 6.2.2, FortiAnalyzer below 6.2.3, FortiManager below 6.2.3 and FortiAP-S/W2 below 6.2.2 may allow an attacker to cause admin webUI denial of service (DoS) via handling special crafted HTTP requests/responses in pieces slowly, as demonstrated by Slow HTTP DoS Attacks.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

5 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://fortiguard.com/psirt/FG-IR-19-013 Vendor Advisory
https://fortiguard.com/psirt/FG-IR-19-013 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2026-24858Fortinet FortiCloud SSO authentication bypass across registered devicesA CWE-288 authentication bypass in Fortinet FortiAnalyzer, FortiManager, FortiNAC-F, FortiOS, FortiProxy and FortiWeb lets an attacker with a FortiCl…KEVEPSS 86%analysed9.8CVE-2024-47575FortiManager missing authentication allows remote code executionFortiManager and FortiManager Cloud contain a missing authentication flaw in a critical function, letting specially crafted requests execute arbitrar…KEVEPSS 95%analysed9.8CVE-2024-48887Fortinet fortiswitch vulnerabilityA unverified password change vulnerability in Fortinet FortiSwitch GUI may allow a remote unauthenticated attacker to change admin passwords via a sp…EPSS 16%9.8CVE-2023-25610Fortinet fortiweb vulnerabilityA buffer underwrite ('buffer underflow') vulnerability in the administrative interface of Fortinet FortiOS version 7.2.0 through 7.2.3, version 7.0.0…EPSS 18%9.8CVE-2024-50563Fortinet fortianalyzer vulnerabilityA weak authentication in Fortinet FortiManager Cloud, FortiAnalyzer versions 7.6.0 through 7.6.1, 7.4.1 through 7.4.3, FortiAnalyzer Cloud versions 7…EPSS 0.58%9.8CVE-2024-48886Fortinet fortianalyzer vulnerabilityA weak authentication in Fortinet FortiOS versions 7.4.0 through 7.4.4, 7.2.0 through 7.2.8, 7.0.0 through 7.0.15, 6.4.0 through 6.4.15, FortiProxy v…EPSS 0.48%9.8CVE-2024-47571Fortinet fortimanager vulnerabilityAn operation on a resource after expiration or release in Fortinet FortiManager 6.4.12 through 7.4.0 allows an attacker to gain improper access to Fo…EPSS 0.91%9.8CVE-2024-35276Fortinet fortianalyzer stack-based buffer overflow vulnerabilityA stack-based buffer overflow vulnerability in Fortinet FortiAnalyzer 7.4.0 through 7.4.3, FortiAnalyzer 7.2.0 through 7.2.5, FortiAnalyzer 7.0.0 thr…EPSS 0.42%

Source: NIST National Vulnerability Database (record CVE-2019-17657), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.