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CVE-2021-34725

MEDIUM CVSS: 6.7 Published: 2021-09-23 Modified: 2026-06-17

Description

A vulnerability in the CLI of Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to inject arbitrary commands to be executed with root-level privileges on the underlying operating system. This vulnerability is due to insufficient input validation on certain CLI commands. An attacker could exploit this vulnerability by authenticating to an affected device and submitting crafted input to the CLI. The attacker must be authenticated as an administrative user to execute the affected commands. A successful exploit could allow the attacker to execute commands with root-level privileges.

Affected Platforms

Cisco 1100-8P Integrated Services RouterCisco Asr 1001Cisco 1101 Integrated Services RouterCisco Csr 1000VCisco 1100-4G\/6G Integrated Services RouterCisco Asr 1006Cisco Ios Xe Sd-WanCisco Asr 1001-Hx RCisco Asr 1002-HxCisco Asr 1004

Weakness Type

CWE-77, CWE-78

References