CVE-2021-34711
MEDIUMCisco IP Phone Firmware < 14.1(1) - Authenticated Arbitrary File Read via Debug Shell Command
Title source: llmDescription
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)
Core 1
Core References
Vendor Advisory vendor-advisory
x_refsource_cisco
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ipphone-arbfileread-NPdtE2Ow
Scores
CVSS v3
5.5
EPSS
0.0026
EPSS Percentile
16.8%
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