CVE-2018-13382 | BDVDB-2026-117351 Detail

FortinetFortinet FortiOS, FortiProxy

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

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact none. Attack vector: network.

Weaknesses#

CWE-863 Incorrect Authorization

References#

Exploit#

No public exploit known

History#

Version 12019-06-04Record published in the CVE List.
Version 22025-10-21Most recent update recorded in the CVE List.

Published

Published: 2019-06-04
Last modified: 2025-10-21

Vendor information

Vendor: Fortinet
Product: Fortinet FortiOS, FortiProxy

All Fortinet vulnerabilities

Score

9.1 Critical

EPSS

81.6%, High

Estimated chance of exploitation in the next 30 days. EPSS percentile: 99.6.

KEV

Yes

Listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Incorrect Authorization

Action

Apply updates per vendor instructions.

Affected Systems

Vulnerable
FortiOS 6.0.0 to 6.0.4, 5.6.0 to 5.6.8, 5.4.1 to 5.4.10, 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
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

9.1 Critical

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	High
Integrity	High
Availability	None

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).