Is CVE-2018-13382 in the CISA KEV catalog?

Yes. CVE-2018-13382 is on the CISA Known Exploited Vulnerabilities list, added 2022-01-10, and has known ransomware campaign use.

What is the CVSS severity of CVE-2018-13382?

CVE-2018-13382 has a CVSS v3 base score of 9.1 (CRITICAL).

What is the EPSS score for CVE-2018-13382?

CVE-2018-13382 has an EPSS score of 81.69% (100th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-13382?

Upgrade fortios to 6.0.5 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2018-13382

CRITICALCISA KEVEPSS 100th pctl

9.1

CVSS v3

NVD

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

CWE-863Incorrect Authorization

How to fix

Remediation Available

fortiosNVD

Affected:>= 6.0.0, < 6.0.5Fixed in:6.0.5CVE-2018-13382derived from NVD

fortiproxyNVD

Affected:< 1.2.9Fixed in:1.2.9CVE-2018-13382derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

81.69%probability of exploitation in 30 days

100thpercentile

Very high risk: more likely to be exploited than 100% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Fortinet FortiOS and FortiProxy Improper Authorization

An Improper Authorization vulnerability in Fortinet FortiOS and FortiProxy under SSL VPN web portal allows an unauthenticated attacker to modify the password.

Apply updates per vendor instructions.

Remediation due: 2022-07-10

Associated with ransomware campaigns

References

Vendor Advisory2

Government Resource1

cisa.gov

Related Vulnerabilities

Other CWE-863 (Incorrect Authorization) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-22518	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2023-38035	Critical	9.8	100%	KEV + Ransom	-
CVE-2022-46169	Critical	9.8	100%	KEV	Fix
CVE-2024-38856	Critical	9.8	99%	KEV	Fix
CVE-2025-29927	Critical	9.1	99%	-	Fix
CVE-2020-36289	Medium	5.3	99%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-10-24.