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CVE-2021-34723

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

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.

Affected Platforms

Cisco Asr 1001Cisco 1100-4Gltena Integrated Services RouterCisco Asr 1006Cisco Csr1000VCisco Asr 1004Cisco 1100-6G Integrated Services RouterCisco 4431 Integrated Services RouterCisco 4331 Integrated Services RouterCisco 1100 Integrated Services RouterCisco Asr 1000-X

Weakness Type

CWE-668, CWE-668

References