How severe is CVE-2017-14189?

CVE-2017-14189 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-14189 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-14189?

CVE-2017-14189 affects Fortinet Fortiweb Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-14189?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2017-14189 published?

CVE-2017-14189 was published on 2017-11-29 and last updated on 2026-06-17.

CVE-2017-14189

CVE-2017-14189 is a critical-severity vulnerability in Fortinet Fortiweb Manager with a CVSS 3.x base score of 9.8. 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-521.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-521
Affected product: Fortinet Fortiweb Manager
Published: 2017-11-29
Last modified: 2026-06-17

Description

An improper access control vulnerability in Fortinet FortiWebManager 5.8.0 allows anyone that can access the admin webUI to successfully log-in regardless the provided password.

Frequently asked questions

What is CVE-2017-14189?: An improper access control vulnerability in Fortinet FortiWebManager 5.8.0 allows anyone that can access the admin webUI to successfully log-in regardless the provided password.
How severe is CVE-2017-14189?: CVE-2017-14189 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-14189 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-14189?: CVE-2017-14189 affects Fortinet Fortiweb Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-14189?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2017-14189 published?: CVE-2017-14189 was published on 2017-11-29 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:fortinet:fortiweb_manager:5.8.0:*:*:*:*:*:*:*

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