Fortinet FortiWeb up to 6.3.0/6.3.15/6.4.0/6.4.1 path traversal

Summaryinfo

A vulnerability classified as critical has been found in Fortinet FortiWeb up to 6.3.0/6.3.15/6.4.0/6.4.1. This impacts an unknown function. The manipulation leads to path traversal. This vulnerability is documented as CVE-2021-41026. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Fortinet FortiWeb up to 6.3.0/6.3.15/6.4.0/6.4.1 and classified as critical. This issue affects some unknown processing. The manipulation with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality.

The weakness was released 04/06/2022 as FG-IR-21-156. The advisory is shared at fortiguard.com. The identification of this vulnerability is CVE-2021-41026 since 09/13/2021. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1006 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 209735 (Fortinet FortiWeb (FG-IR-21-156)), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (209735). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Firewall Software

Vendor

• Fortinet

Name

• FortiWeb

Version

• 6.0
• 6.1
• 6.2
• 6.3
• 6.3.0
• 6.3.1
• 6.3.2
• 6.3.3
• 6.3.4
• 6.3.5
• 6.3.6
• 6.3.7
• 6.3.8
• 6.3.9
• 6.3.10
• 6.3.11
• 6.3.12
• 6.3.13
• 6.3.14
• 6.3.15
• 6.4.0
• 6.4.1

License

• commercial

Website

• Vendor: https://www.fortinet.com/

CPE 2.3info

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CPE 2.2info

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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