Relative Path Traversal Vulnerability in FortiWAN Products
CVE-2021-26102

9.1CRITICAL

Key Information:

Vendor

Fortinet
Status
Fortiwan
Vendor
CVE Published:
19 December 2024

What is CVE-2021-26102?

CVE-2021-26102 is a critical relative path traversal vulnerability in FortiWAN that affects versions 4.5.7 and below as well as all versions of 4.4. This vulnerability enables a remote, non-authenticated attacker to exploit the system through crafted POST requests, leading to the deletion of specific configuration files. Such unauthorized access can reset the admin password to its factory default, posing significant risks to system security and management. Immediate action is recommended to mitigate these risks.

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Affected Version(s)

FortiWAN 4.5.0 <= 4.5.7

FortiWAN 4.4.0 <= 4.4.1

References

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

EPSS Score

61% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.1
Severity:
CRITICAL
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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