CVE-2018-13379
KEV RANSOMWARECRITICAL 9.8EPSS 100.0%
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.
- CVSS v3.1
- 9.8 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS v3.1
- 9.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H - CVSS v2.0
- 5.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N - EPSS
- 100.00% chance of exploitation in the next 30 days, 100th percentile
- CISA KEV
- added 2021-11-03, used in ransomware campaigns
- Nuclei
- critical · CWE-22
- Published
- 2019-06-04
- Updated
- 2025-10-21
Proof-of-concept exploits (13)
- 0xHunter/FortiOS-Credentials-Disclosure6★ · 2019-09-24
- B1anda0/CVE-2018-133799★ · 2020-12-14
- Blazz3/cve2018-13379-nmap-script12★ · 2020-09-09
- RedcentricCyber/Fortigate81★ · 2026-03-17
- k4nfr3/CVE-2018-13379-Fortinet6★ · 2020-11-19
- kh4sh3i/CVE-2018-133790★ · 2025-09-21
- milo2012/CVE-2018-13379253★ · 2019-08-14
- nescam123/forti0★ · 2020-12-28
- nivdolgin/CVE-2018-133790★ · 2021-09-11
- pwn3z/CVE-2018-13379-FortinetVPN1★ · 2020-11-05
- yukar1z0e/CVE-2018-133790★ · 2020-05-21
- Instructor-Admin/Multi-threaded-mass-exploiter-CVE-2018-13379-POC
- Zierax/CVE-2018-13379
Nuclei templates (1)
Metasploit modules (1)
ExploitDB entries (2)
Exploit collections (2)
- chaitin/xray/blob/master/pocs/fortigate-cve-2018-13379-readfile.yml
- zan8in/afrog/blob/main/pocs/afrog-pocs/CVE/2018/CVE-2018-13379.yaml