How severe is CVE-2017-14182?

CVE-2017-14182 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2017-14182 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-14182?

CVE-2017-14182 primarily affects Fortinet Fortios. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-14182?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2017-14182 published?

CVE-2017-14182 was published on 2017-10-27 and last updated on 2026-06-17.

CVE-2017-14182

CVE-2017-14182 is a medium-severity vulnerability in Fortinet Fortios with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Fortinet Fortios
Published: 2017-10-27
Last modified: 2026-06-17

Description

A Denial of Service (DoS) vulnerability in Fortinet FortiOS 5.4.0 to 5.4.5 allows an authenticated user to cause the web GUI to be temporarily unresponsive, via passing a specially crafted payload to the 'params' parameter of the JSON web API.

Frequently asked questions

What is CVE-2017-14182?: A Denial of Service (DoS) vulnerability in Fortinet FortiOS 5.4.0 to 5.4.5 allows an authenticated user to cause the web GUI to be temporarily unresponsive, via passing a specially crafted payload to the 'params' parameter of the JSON web API.
How severe is CVE-2017-14182?: CVE-2017-14182 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2017-14182 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-14182?: CVE-2017-14182 primarily affects Fortinet Fortios. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-14182?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-14182 published?: CVE-2017-14182 was published on 2017-10-27 and last updated on 2026-06-17.

References

Affected products (6)

cpe:2.3:o:fortinet:fortios:5.4.0:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:5.4.1:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:5.4.2:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:5.4.3:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:5.4.4:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:5.4.5:*:*:*:*:*:*:*

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