CVE-2018-13382
Published 2019-06-04 · Updated 2026-06-17 · Source psirt@fortinet.com
Summary
CVE-2018-13382 is a critical-severity (CVSS 9.1) vulnerability in Fortinet FortiOS and FortiProxy. CISA added it to the Known Exploited Vulnerabilities catalog on January 10, 2022, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by July 10, 2022. CISA also lists it as known to be used in ransomware campaigns, so it should be prioritised accordingly. Fortinet has 32 vulnerabilities in the KEV catalog, 14 of them linked to ransomware.
All 32 known-exploited Fortinet vulnerabilities →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
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CISA Known-Exploited Vulnerability
Product: Fortinet — FortiOS and FortiProxy
Name: Fortinet FortiOS and FortiProxy Improper Authorization
Date added: 2022-01-10 · Due: 2022-07-10
Required action: Apply updates per vendor instructions.

