Every CVE Search/ Get API key

CVE-2019-17657

An Uncontrolled Resource Consumption vulnerability in Fortinet FortiSwitch below 3.6.11, 6.0.6...

7.5 HighFix available

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

2.44%Up 1.9 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 7.5

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.

Record
CVE-2019-17657
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness
CWE-400
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2019-17657
Updated
2026-11-02
EUVDEUVD-2019-7963 No score

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.

Record
EUVD-2019-7963
Updated
2026-11-03
GitHub AdvisoriesGHSA-j8g4-vw7x-cwpr No score

An Uncontrolled Resource Consumption vulnerability in Fortinet FortiSwitch below 3.6.11, 6.0.6...

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.

Record
GHSA-j8g4-vw7x-cwpr
Updated
2026-11-02
OSVALPINE-CVE-2019-17657 7.5

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.

Record
ALPINE-CVE-2019-17657
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVBELL-CVE-2019-17657 7.5

CVE-2019-17657 does not affect BellSoft software

Record
BELL-CVE-2019-17657
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSV 7.5

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.

Record
CVE-2019-17657
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
apache2
Alpine:v3.10
before 2.4.48-r0
2.4.48-r0
apache2
Alpine:v3.11
before 2.4.48-r0
2.4.48-r0
apache2
Alpine:v3.12
before 2.4.48-r0
2.4.48-r0
apache2
Alpine:v3.13
before 2.4.48-r0
2.4.48-r0
apache2
Alpine:v3.14
before 2.4.48-r0
2.4.48-r0
apache2
Alpine:v3.15
before 2.4.48-r0
2.4.48-r0
apache2
Alpine:v3.16
before 2.4.48-r0
2.4.48-r0
apache2
Alpine:v3.17
before 2.4.48-r0
2.4.48-r0
apache2
Alpine:v3.18
before 2.4.48-r0
2.4.48-r0
apache2
Alpine:v3.19
before 2.4.48-r0
2.4.48-r0
Show 5 moreShow less
Affected packages
PackageAffectedFixed
apache2
Alpine:v3.20
before 2.4.48-r0
2.4.48-r0
apache2
Alpine:v3.21
before 2.4.48-r0
2.4.48-r0
apache2
Alpine:v3.22
before 2.4.48-r0
2.4.48-r0
apache2
Alpine:v3.23
before 2.4.48-r0
2.4.48-r0
apache2
Alpine:v3.24
before 2.4.48-r0
2.4.48-r0

History

History
RecordedChangedSources
facts
aliases, productsEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2019-17657 is a high vulnerability (CVSS 7.5) in Fortinet Fortianalyzer, published April 7, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.44%, the 84th percentile. Fixed in apache2 2.4.48-r0.

References

MoveEnter Open