Cisco SD-WAN vManage Web Management Interface path traversal

Summaryinfo

A vulnerability, which was classified as critical, was found in Cisco SD-WAN vManage. Affected by this issue is some unknown functionality of the component Web Management Interface. Such manipulation leads to path traversal. This vulnerability is referenced as CVE-2020-3381. It is possible to launch the attack remotely. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Cisco SD-WAN vManage (affected version not known) and classified as critical. Affected by this issue is some unknown functionality of the component Web Management Interface. 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, integrity, and availability. CVE summarizes:

A vulnerability in the web management interface of Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to conduct directory traversal attacks and obtain read and write access to sensitive files on a targeted system. The vulnerability is due to a lack of proper validation of files that are uploaded to an affected device. An attacker could exploit this vulnerability by uploading a crafted file to an affected system. An exploit could allow the attacker to view or modify arbitrary files on the targeted system.

The weakness was published 07/16/2020 as cisco-sa-vmdirtrav-eFdAxsJg as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. This vulnerability is handled as CVE-2020-3381 since 12/12/2019. The attack may be launched remotely. A simple authentication is required for exploitation. 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.

Similar entries are available at VDB-158724, VDB-158723, VDB-158722 and VDB-158717. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Network Management Software

Vendor

• Cisco

Name

• SD-WAN vManage

License

• commercial

Website

• Vendor: https://www.cisco.com/

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Entryinfo

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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