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CVE-2019-17657

HIGHCVSS 7.5/10EPSS 2.38%

Last modified

CVE-2019-17657 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 2.38% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
7.5/10

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

EPSS Probability
2.38%

81.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
FortinetFortianalyzer< 6.2.3
FortinetFortiap-S< 6.2.2
FortinetFortiap-W2< 6.2.2
FortinetFortimanager< 6.2.3
FortinetFortiswitch< 3.6.11
FortinetFortiswitch>= 6.0.0, < 6.0.6
FortinetFortiswitch>= 6.2.0, < 6.2.2

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2019-17657?
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.
How severe is CVE-2019-17657?
CVE-2019-17657 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.38% probability of exploitation in the next 30 days.
How do I fix CVE-2019-17657?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-17657?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST