CVE-2018-13382
Published: January 10, 2022
Official Description
An Improper Authorization vulnerability in Fortinet FortiOS and FortiProxy under SSL VPN web portal allows an unauthenticated attacker to modify the password.
CISA KEV Advisory
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.
Risk Analysis
Fortinet FortiOS and FortiProxy SSL VPN web portal have an improper authorization flaw that allows an unauthenticated attacker to change user passwords. The high EPSS score of 0.86103 indicates a very high likelihood of exploitation, making this an urgent security concern.
This vulnerability is actively exploited in the wild and is included in CISA's KEV catalog, confirming its active use by threat actors. It is remotely exploitable.
Apply the latest security updates for Fortinet FortiOS and FortiProxy. Implement strong password policies and multi-factor authentication for SSL VPN users.
Technical Analysis
CVE-2018-13382 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CISA has added CVE-2018-13382 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.
Affected Vendors & Products
Exploit & PoC Resources
All References (1)
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2018-13382 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
- !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
- !Active exploitation confirmed — treat as P1