CVE-2021-34711 MEDIUM

CVE-2021-34711: Cisco IP Phone Software Arbitrary File Read Vulnerability

Vendor Cisco
Product Cisco IP Phones with Multiplatform Firmware
Weakness CWE-36
Published October 6, 2021
Last update November 7, 2024

CVSS base score

5.5/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity None

CVSS vector

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

What the vulnerability does

01Description

A vulnerability in the debug shell of Cisco IP Phone software could allow an authenticated, local attacker to read any file on the device file system. This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by providing crafted input to a debug shell command. A successful exploit could allow the attacker to read any file on the device file system.

Key dates

02Disclosure timeline

October 6, 2021 CVE published
November 7, 2024 Record updated