CVE-2019-17657

HIGH

7.5

CVSS Score

Published: April 7, 2020 at 05:11 PM UTC

Updated: June 17, 2026 at 02:24 AM UTC

5 products affected across 1 vendorFortiManagerFortiAnalyzerFortiSwitch

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Severity

HIGH7.5

Exploit prediction

EPSS 2%

SSVC

No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

FortiAnalyzer · Fortinet

95%

v < 6.2.3below 6.2.3

Affected range stops below 6.2.3, so it looks safe — our inference, not a vendor statement

FortiAP-S · Fortinet

95%

v < 6.2.2

Affected range stops below 6.2.2, so it looks safe — our inference, not a vendor statement

FortiAP-W2 · Fortinet

95%

v < 6.2.2below 6.2.2

Affected range stops below 6.2.2, so it looks safe — our inference, not a vendor statement

FortiManager · Fortinet

95%

v < 6.2.3below 6.2.3

Affected range stops below 6.2.3, so it looks safe — our inference, not a vendor statement

FortiSwitch · Fortinet

95%

v < 3.6.116.0.0 ≤ v < 6.0.66.2.0 ≤ v < 6.2.26.0.6 and 6.2.2 below 3.6.11

Affected range stops below 3.6.11, so it looks safe — our inference, not a vendor statement

Affected range stops below 6.0.6, so it looks safe — our inference, not a vendor statement

Affected range stops below 6.2.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

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

References (1)

x_refsource_CONFIRMVendor Advisory

Source: [email protected]

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

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGH[email protected]

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: NONE
Integrity: NONE
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-400

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