November 3, 2021 · Applied Cybernetics Group
CVE-2018-13379 — Fortinet FortiOS
known ransomware use
Fortinet FortiOS SSL VPN Path Traversal Vulnerability
- Added to KEV
2021-11-03- Federal due date
2022-05-03- Vendor
- Fortinet
- Product
- FortiOS
- EPSS
- 100.0th percentile (score 0.945, as of
2026-06-08) - NVD CVSS v3.1
- —
- Ransomware use
- Known
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2018-13379
CISA short description
Fortinet FortiOS SSL VPN web portal contains a path traversal vulnerability that may allow an unauthenticated attacker to download FortiOS system files through specially crafted HTTP resource requests.
Required action
Apply updates per vendor instructions.