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CVE-2018-13379

CRITICAL
Published 2019-06-04T20:18:08.000Z
Actions:

Expert Analysis

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CVSS Score

V3.1
9.1
/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.945
probability
of exploitation in the wild

There is a 94.5% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 1.000
Higher than 100.0% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
NONE
Availability
HIGH

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.

Available Exploits

Fortinet FortiOS - Credentials Disclosure

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 due to improper limitation of a pathname to a restricted directory (path traversal).

ID: CVE-2018-13379
Author: organiccrap Critical

References:

Related News

No news articles found for this CVE.

Affected Products

Fortinet

Fortinet FortiOS, FortiProxy

Affected Versions:

FortiOS 6.0.0 to 6.0.4, 5.6.3 to 5.6.7 and 5.4.6 to 5.4.12, 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

Known Exploited Vulnerability

This vulnerability is actively being exploited in the wild

View KEV Details

Remediation Status

Overdue

Due Date

May 3, 2022

Added to KEV

November 3, 2021

Required Action

Apply updates per vendor instructions.

Affected Product

Vendor/Project: Fortinet
Product: FortiOS

Ransomware Risk

Known Ransomware Use
KEV Catalog Version: 2025.01.24 Released: January 24, 2025

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed MODERATE

GHSA-2q79-m25p-r2q3

Advisory Details

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 under SSL VPN web portal allows an unauthenticated attacker to download system files via special crafted HTTP resource requests.

CVSS Scoring

CVSS Score

5.0

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2018-13379
WEB https://devco.re/blog/2019/08/09/attacking-ssl-vpn-part-2-breaking-the-Fortigate-ssl-vpn
WEB https://fortiguard.com/advisory/FG-IR-18-384
WEB https://github.com/blacklotuslabs/Development/blob/master/Mitigations/CVE/CVE-2018-13379/CVE-2018-13379%20-%20Summary%20%26%20Emergency%20Mitigations.pdf
WEB https://i.blackhat.com/USA-19/Wednesday/us-19-Tsai-Infiltrating-Corporate-Intranet-Like-NSA.pdf
WEB https://www.fortiguard.com/psirt/FG-IR-20-233
WEB http://packetstormsecurity.com/files/154146/FortiOS-5.6.7-6.0.4-Credential-Disclosure.html
WEB http://packetstormsecurity.com/files/154147/FortiOS-5.6.7-6.0.4-Credential-Disclosure.html
WEB http://www.securityfocus.com/bid/108693

Advisory provided by GitHub Security Advisory Database. Published: May 24, 2022, Modified: July 25, 2024

Social Media Intelligence

Real-time discussions and threat intelligence from social platforms

1 post
Reddit • 1 month, 1 week ago
Immediate_Gold9789
Exploit PoC Payload

🔥 Most Brutal VPN Exploits Exposed — A Technical Breakdown By CyberDudeBivash – Ruthless, Engineering-Grade Threat Intel https://preview.redd.it/kmgikig5tsjf1.png?width=1536&format=png&auto=webp&s=8a0dc329b5e31ebb657f9e2b65d1e37721ff9ab6 # 1. Introduction Virtual Private Networks (VPNs) are the **backbone of remote access security**, yet they remain **prime targets** for advanced persistent threats (APTs) and ransomware groups. Over the last decade, **VPN …

Also mentions: CVE-2024-21762 CVE-2024-21887 CVE-2023-3519 CVE-2023-46805 CVE-2023-4966 CVE-2022-42475 CVE-2020-2021 CVE-2019-11510 CVE-2019-19781
1
1.0
View Original High Risk

References

https://fortiguard.com/advisory/FG-IR-18-384
https://www.fortiguard.com/psirt/FG-IR-20-233
Published: 2019-06-04T20:18:08.000Z
Last Modified: 2025-07-28T19:48:53.376Z
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