CVE-2018-13379
Last modified
CVE-2018-13379 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. CISA has confirmed active exploitation in the wild. EPSS estimates a 100.00% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
100.0th percentile
Probability of exploitation in the next 30 days. Learn more
Exploitation Status
This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| 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 |
References
- https://fortiguard.com/advisory/FG-IR-18-384Mitigation, Vendor Advisory
- https://www.fortiguard.com/psirt/FG-IR-20-233Vendor Advisory
- https://fortiguard.com/advisory/FG-IR-18-384Mitigation, Vendor Advisory
- https://www.fortiguard.com/psirt/FG-IR-20-233Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-13379US Government Resource
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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- CVE-2018-13383A heap buffer overflow in Fortinet FortiOS 6.0.0 through 6.0…6.5
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