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Cisco Bug: CSCvi69962 - Cisco SD-WAN Information Disclosure Vulnerability

Last Modified

Jan 20, 2021

Products (1)

  • Cisco SD-WAN

Known Affected Releases

18.3.7 18.4.2

Description (partial)

A vulnerability in the CLI of Cisco SD-WAN Software could allow an authenticated, local attacker to access sensitive information on an affected device.

The vulnerability is due to insufficient input validation of requests that are sent to the iperf tool. An attacker could exploit this vulnerability by sending a crafted request to the iperf tool, which is included in Cisco SD-WAN Software. A successful exploit could allow the attacker to obtain any file from the filesystem of an affected device.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

This advisory is available at the following link:

At the time of publication, this vulnerability affected the following Cisco products if they were running a release of Cisco SD-WAN Software earlier than Release 18.4.3:

At the time of publication, Cisco SD-WAN Software releases 18.4.3 and later contained the fix for this vulnerability.
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