CVE-2021-34728 HIGH

CVE-2021-34728: Cisco IOS XR Software Authenticated User Privilege Escalation Vulnerabilities

Vendor Cisco
Product Cisco IOS XR Software
Weakness CWE-78
Published September 9, 2021
Last update November 7, 2024

CVSS base score

7.8/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

Multiple vulnerabilities in the CLI of Cisco IOS XR Software could allow an authenticated, local attacker with a low-privileged account to elevate privileges on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

Key dates

02Disclosure timeline

September 9, 2021 CVE published
November 7, 2024 Record updated