Vulnerability Details : CVE-2018-13379

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.
Vulnerability category: Directory traversal
Published 2019-06-04 21:29:00
Updated 2021-06-03 11:15:08
View at NVD,
CVE-2018-13379 is in the CISA Known Exploited Vulnerabilities Catalog
CISA vulnerability name:
Fortinet FortiOS SSL VPN Path Traversal Vulnerability
CISA required action:
Apply updates per vendor instructions.
CISA 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.
Added on 2021-11-03 Action due date 2022-05-03

Exploit prediction scoring system (EPSS) score for CVE-2018-13379

Probability of exploitation activity in the next 30 days: 97.42%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 100 % EPSS Score History EPSS FAQ

Metasploit modules for CVE-2018-13379

  • FortiOS Path Traversal Credential Gatherer
    Fortinet FortiOS versions 5.4.6 to 5.4.12, 5.6.3 to 5.6.7 and 6.0.0 to 6.0.4 are vulnerable to a path traversal vulnerability within the SSL VPN web portal which allows unauthenticated attackers to download FortiOS system files through specially crafted HTTP requests. This module exploits this vulnerability to read the usernames and passwords of users currently logged into the FortiOS SSL VPN, which are stored in plaintext in the "/dev/cmdb/sslvpn_websession" file on the VPN server.

CVSS scores for CVE-2018-13379

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Source
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CWE ids for CVE-2018-13379

References for CVE-2018-13379

Products affected by CVE-2018-13379

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