CVEvulnerability

CVE-2018-13379

9.8 CRITICAL Known exploited Published 2019-06-04 Modified 2026-06-17 Official page ↗

CISA Known Exploited Vulnerability

Fortinet FortiOS SSL VPN Path Traversal Vulnerability — Fortinet FortiOS

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.

Added to KEV: 2021-11-03
Remediation due: 2022-05-03
Ransomware use: Known
Required action: Apply updates per vendor instructions.
Notes: https://nvd.nist.gov/vuln/detail/CVE-2018-13379

Status: Analyzed
Published: 2019-06-04
Last modified: 2026-06-17
Assigner: [email protected]
CVSS 3.1 ([email protected]): 9.1 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CVSS 3.1 ([email protected]): 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected]): 5.0 MEDIUM — AV:N/AC:L/Au:N/C:P/I:N/A:N
Weaknesses: CWE-22

Description

An Improper Limitation of a Pathname to a Restricted Directory ("Path Traversal") in Fortinet FortiOS 6.0.0 to 6.0.4, 5.6.3 to 5.6.7 and 5.4.6 to 5.4.12 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 download system files via special crafted HTTP resource requests.

Affected configurations

• fortinet fortiproxy (< 1.2.9) • fortinet fortiproxy 2.0.0 • fortinet fortios (>= 5.4.6 < 5.4.13) • fortinet fortios (>= 5.6.3 < 5.6.8) • fortinet fortios (>= 6.0.0 < 6.0.5)

Weakness · CWE (1)

CWE-22 Improper Limitation of a Pathname to a Restricted Directory weakness

References