# 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.

- Page: https://www.vulneraibility.com/cve/CVE-2018-13379
- CVSS: 9.1
- Known exploited: yes, in CISA KEV since 2021-11-03; CISA due date 2022-05-03; known ransomware use
- EPSS: 100.00% (percentile 100.0)
- Public exploit code: 2 on Exploit-DB · 1 Metasploit module · 14 GitHub proofs of concept · 1 Nuclei template (first 2019-08-11)
- CISA SSVC: exploitation active, automatable yes, technical impact partial (assessed 2024-10-23)
- Weakness: CWE-22
- Published: 2019-06-04

## Affected versions

- Fortinet Fortinet FortiOS, FortiProxy: affected 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

A version outside these ranges is not a statement that it is unaffected.

## References

- [other] https://fortiguard.com/advisory/FG-IR-18-384
- [other] https://www.fortiguard.com/psirt/FG-IR-20-233
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-13379

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.