CVE-2021-26102

CriticalCVSS 9.1/10Last modified Jun 17, 2026

Description

A relative path traversal vulnerability (CWE-23) in FortiWAN version 4.5.7 and below, 4.4 all versions may allow a remote non-authenticated attacker to delete files on the system by sending a crafted POST request. In particular, deleting specific configuration files will reset the Admin password to its default value.

Metrics

CVSS 3.1 9.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Weakness enumeration

CWE-305 CWE-22

Affected software

Vendor	Product	Versions
Fortinet	FortiWAN	>= 4.5.0, <= 4.5.7; >= 4.4.0, <= 4.4.1

References

https://fortiguard.fortinet.com/psirt/FG-IR-21-048Vendor Advisory

Timeline

Published: Dec 19, 2024
Last modified: Jun 17, 2026
NVD status: Analyzed

Related CVEs from 2021

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