6
CVSSv3

CVE-2021-34724

Published: 23/09/2021 Updated: 07/11/2023
CVSS v2 Base Score: 6.6 | Impact Score: 9.2 | Exploitability Score: 3.9
CVSS v3 Base Score: 6 | Impact Score: 5.2 | Exploitability Score: 0.8
VMScore: 587
Vector: AV:L/AC:L/Au:N/C:C/I:C/A:N

Vulnerability Summary

A vulnerability in the Cisco IOS XE SD-WAN Software CLI could allow an authenticated, local malicious user to elevate privileges and execute arbitrary code on the underlying operating system as the root user. An attacker must be authenticated on an affected device as a PRIV15 user. This vulnerability is due to insufficient file system protection and the presence of a sensitive file in the bootflash directory on an affected device. An attacker could exploit this vulnerability by overwriting an installer file stored in the bootflash directory with arbitrary commands that can be executed with root-level privileges. A successful exploit could allow the malicious user to read and write changes to the configuration database on the affected device.

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cisco ios_xe_sd-wan

Vendor Advisories

A vulnerability in the Cisco IOS XE SD-WAN Software CLI could allow an authenticated, local attacker to elevate privileges and execute arbitrary code on the underlying operating system as the root user An attacker must be authenticated on an affected device as a PRIV15 user This vulnerability is due to insufficient file system protection and the ...