Information disclosure in Cisco IOS XR - CVE-2021-34771
Published: September 9, 2021
Vulnerability identifier: #VU56430
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-34771
CWE-ID: CWE-200
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to gain access to potentially sensitive information.
The vulnerability exists due to insufficient application of restrictions during the execution of a specific command. A local user can gain unauthorized access to sensitive information on the system.
Affected software
Cisco IOS XR
How to mitigate CVE-2021-34771
Install updates from vendor's website.
Cisco IOS XR - addressed in versions 7.3.2, 7.4.1