CVE-2018-13379

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Summary

CVECVE-2018-13379
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2019-06-04 21:29:00 UTC
Updated2021-06-03 11:15:00 UTC
DescriptionAn 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.

Risk And Classification

EPSS: 0.999990000 probability, percentile 0.999940000 (date 2026-07-21)

CISA KEV: Listed on 2021-11-03; due 2022-05-03; ransomware use Known

Problem Types: CWE-22

CISA Known Exploited Vulnerability

VendorFortinet
ProductFortiOS
NameFortinet FortiOS SSL VPN Path Traversal Vulnerability
Required ActionApply updates per vendor instructions.
Noteshttps://nvd.nist.gov/vuln/detail/CVE-2018-13379

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Fortinet Fortios All All All All
Operating System Fortinet Fortios All All All All

References

ReferenceSourceLinkTags
FortiOS 5.6.7 / 6.0.4 Credential Disclosure ≈ Packet Storm MISC packetstormsecurity.com Third Party Advisory, VDB Entry
Attacking SSL VPN - Part 2: Breaking the Fortigate SSL VPN | DEVCORE MISC devco.re Exploit, Third Party Advisory
i.blackhat.com/USA-19/Wednesday/us-19-Tsai-Infiltrating-Corporate-Intranet-L... MISC i.blackhat.com Third Party Advisory
FortiProxy - system file leak through SSL VPN special crafted HTTP resource requests | FortiGuard CONFIRM www.fortiguard.com
Development/CVE-2018-13379 - Summary & Emergency Mitigations.pdf at master · blacklotuslabs/Development · GitHub MISC github.com
Fortinet FortiOS CVE-2018-13379 Directory Traversal Vulnerability BID www.securityfocus.com Third Party Advisory, VDB Entry
FortiOS system file leak through SSL VPN via specially crafted HTTP resource requests | FortiGuard CONFIRM fortiguard.com Mitigation, Vendor Advisory
FortiOS 5.6.7 / 6.0.4 Credential Disclosure ≈ Packet Storm MISC packetstormsecurity.com Third Party Advisory, VDB Entry
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
CISA Known Exploited Vulnerabilities catalog CISA www.cisa.gov kev

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