CVE-2018-13382
Fortinet FortiOS and FortiProxy Improper Authorization
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 10 July 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
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 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 81.69% probability · 100th percentile
- Public exploits
- 1 in Exploit-DB · first 19 November 2020
- CISA KEV
- Listed 10 January 2022 · due 10 July 2022 · used in ransomware campaigns
- Weakness
- CWE-863
- Affected
- fortinet/fortiproxy · fortinet/fortios
- Source
- psirt@fortinet.com
EPSS 81.7% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
CISA notes
Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2018-13382
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- https://fortiguard.com/advisory/FG-IR-18-389Vendor Advisory
- https://www.fortiguard.com/psirt/FG-IR-20-231Vendor Advisory
- https://fortiguard.com/advisory/FG-IR-18-389Vendor Advisory
- https://www.fortiguard.com/psirt/FG-IR-20-231Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-13382US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.