CVE-2021-34711

MEDIUM

Cisco IP Conference Phone 7832 Firmware < 14.1\(1\) - Path Traversal

Title source: rule

Description

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.

References (1)

[Vendor Advisory] https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ipphone-arbfileread-NPdtE2Ow

Scores

CVSS v3 5.5

EPSS 0.0007

EPSS Percentile 20.6%

Attack Vector LOCAL

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-22 CWE-36

Status published

Products (16)

cisco/ip_conference_phone_7832_firmware < 14.1\(1\)

cisco/ip_conference_phone_8832_firmware < 14.1\(1\)

cisco/ip_phone_7811_firmware < 14.1\(1\)

cisco/ip_phone_7821_firmware < 14.1\(1\)

cisco/ip_phone_7832_firmware < 14.1\(1\)

cisco/ip_phone_7841_firmware < 14.1\(1\)

cisco/ip_phone_7861_firmware < 14.1\(1\)

cisco/ip_phone_8811_firmware < 14.1\(1\)

cisco/ip_phone_8831_firmware < 14.1\(1\)

cisco/ip_phone_8841_firmware < 14.1\(1\)

... and 6 more

Published Oct 06, 2021

Tracked Since Feb 18, 2026