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Cisco XE: CVE-2021-34723: Cisco IOS XE SD-WAN Software Arbitrary File Overwrite Vulnerability

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Cisco XE: CVE-2021-34723: Cisco IOS XE SD-WAN Software Arbitrary File Overwrite Vulnerability

Severity
7
CVSS
(AV:L/AC:M/Au:N/C:C/I:C/A:C)
Published
09/23/2021
Created
01/19/2022
Added
01/18/2022
Modified
04/21/2023

Description

A vulnerability in a specific CLI command that is run on Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to overwrite arbitrary files in the configuration database of an affected device. This vulnerability is due to insufficient validation of specific CLI command parameters. An attacker could exploit this vulnerability by issuing that command with specific parameters. A successful exploit could allow the attacker to overwrite the content of the configuration database and gain root-level access to an affected device.

Solution(s)

  • cisco-xe-upgrade-latest

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