CVE-2021-34771: Cisco IOS XR

Medium severity, CVSS 5.5. EPSS: 0.3% chance of exploitation in the next 30 days.

A vulnerability in the Cisco IOS XR Software CLI could allow an authenticated, local attacker to view more information than their privileges allow. This vulnerability is due to insufficient application of restrictions during the execution of a specific command. An attacker could exploit this vulnerability by running a specific command. A successful exploit could allow the attacker to view sensitive configuration information that their privileges might not otherwise allow them to access.

Affected products

• Cisco IOS XR: before 7.3.2 (fixed in 7.3.2)

Published 2021-09-09. Last modified 2026-06-17.