CVE-2021-34711
moderate-risk
Published 2021-10-06
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.
Do I need to act?
-
0.07% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10
Medium
LOCAL
/ LOW complexity
Affected Products (16)
Ip Conference Phone 7832 Firmware
Ip Conference Phone 8832 Firmware
Ip Phone 7811 Firmware
Ip Phone 7821 Firmware
Ip Phone 7832 Firmware
Ip Phone 7841 Firmware
Ip Phone 7861 Firmware
Ip Phone 8831 Firmware
Ip Phones 8832 Firmware
Wireless Ip Phone 8821 Firmware
Affected Vendors
References (2)
36
/ 100
moderate-risk
Severity
18/34 · Moderate
Exploitability
0/34 · Minimal
Exposure
18/34 · Moderate