CVE-2018-13379
Fortinet FortiOS SSL VPN Path Traversal Vulnerability
- Published
- Jun 4, 2019
- Updated
- Oct 21, 2025
- Assigning CNA
- fortinet
- Evidence observed
- Aug 19, 2019
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HHigh · next 30 days
- Percentile
- 100.0%
- Model date
- Oct 13, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
CISA Known Exploited
This CVE appears in the CISA Known Exploited Vulnerabilities catalog.
Summary
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.
Sources
modules/auxiliary/gather/fortios_vpnssl_traversal_creds_leak.rb
Metasploit Framework modulesDeclared conditions
- verification: check_not_declared($.auxiliary_gather/fortios_vpnssl_traversal_creds_leak.check)
http/cves/2018/CVE-2018-13379.yaml
Nuclei TemplatesDeclared conditions
- network: http($.protocol_keys)
- verification: regex($.matchers[*].type)
Responsible use
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