How severe is CVE-2018-13382?

CVE-2018-13382 has a CVSS 3.x base score of 9.1, 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 none.

Is CVE-2018-13382 being actively exploited?

Yes. CVE-2018-13382 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2022-01-10, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2018-13382?

CVE-2018-13382 primarily affects Fortinet Fortiproxy. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-13382?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2018-13382 have an EU (EUVD) identifier?

Yes. CVE-2018-13382 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2018-5326. It is also flagged as exploited in the EUVD (since 2022-01-10).

When was CVE-2018-13382 published?

CVE-2018-13382 was published on 2019-06-04 and last updated on 2026-06-17.

CVE-2018-13382

CVE-2018-13382 is a critical-severity vulnerability in Fortinet Fortiproxy with a CVSS 3.x base score of 9.1. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2022-01-10). The underlying weakness is classified as CWE-863.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
CVSS v2: 5.0
EPSS exploit prediction: 82% (100th percentile)
Actively exploited: Yes — listed in CISA KEV (added 2022-01-10)
EU (EUVD) id: EUVD-2018-5326
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2022-01-10)
Weakness: CWE-863
Affected product: Fortinet Fortiproxy
Published: 2019-06-04
Last modified: 2026-06-17

Description

An Improper Authorization vulnerability in Fortinet FortiOS 6.0.0 to 6.0.4, 5.6.0 to 5.6.8 and 5.4.1 to 5.4.10 and FortiProxy 2.0.0, 1.2.0 to 1.2.8, 1.1.0 to 1.1.6, 1.0.0 to 1.0.7 under SSL VPN web portal allows an unauthenticated attacker to modify the password of an SSL VPN web portal user via specially crafted HTTP requests

Frequently asked questions

What is CVE-2018-13382?: An Improper Authorization vulnerability in Fortinet FortiOS 6.0.0 to 6.0.4, 5.6.0 to 5.6.8 and 5.4.1 to 5.4.10 and FortiProxy 2.0.0, 1.2.0 to 1.2.8, 1.1.0 to 1.1.6, 1.0.0 to 1.0.7 under SSL VPN web portal allows an unauthenticated attacker to modify the password of an SSL VPN web portal user via specially crafted HTTP requests
How severe is CVE-2018-13382?: CVE-2018-13382 has a CVSS 3.x base score of 9.1, 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 none.
Is CVE-2018-13382 being actively exploited?: Yes. CVE-2018-13382 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2022-01-10, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2018-13382?: CVE-2018-13382 primarily affects Fortinet Fortiproxy. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-13382?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2018-13382 have an EU (EUVD) identifier?: Yes. CVE-2018-13382 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2018-5326. It is also flagged as exploited in the EUVD (since 2022-01-10).
When was CVE-2018-13382 published?: CVE-2018-13382 was published on 2019-06-04 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:2.0.0:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*

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