Cisco SD-WAN vManage Web-based Management Interface HTTP Requests path traversal

Summaryinfo

A vulnerability was found in Cisco SD-WAN vManage. It has been declared as critical. Impacted is an unknown function of the component Web-based Management Interface. The manipulation as part of HTTP Requests results in path traversal. This vulnerability is cataloged as CVE-2020-3401. The attack may be launched remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Cisco SD-WAN vManage (version now known). Affected is some unknown processing of the component Web-based Management Interface. The manipulation as part of a HTTP Requests leads to a path traversal vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

A vulnerability in the web-based management interface of Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to conduct path traversal attacks and obtain read access to sensitive files on an affected system. The vulnerability is due to insufficient validation of HTTP requests. An attacker could exploit this vulnerability by sending a crafted HTTP request that contains directory traversal character sequences to the affected system. A successful exploit could allow the attacker to view arbitrary files on the affected system.

The weakness was shared 07/16/2020 as cisco-sa-vmandowndir-CVGvdKM3 as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. This vulnerability is traded as CVE-2020-3401 since 12/12/2019. It is possible to launch the attack remotely. Required for exploitation is a authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1006.

Upgrading eliminates this vulnerability.

The entries VDB-158727, VDB-158726, VDB-158725 and VDB-158723 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Network Management Software

Vendor

• Cisco

Name

• SD-WAN vManage

License

• commercial

Website

• Vendor: https://www.cisco.com/

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Once again VulDB remains the best source for vulnerability data.

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