medium5.5
CVE-2021-34711
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.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Cisco | Ip Conference Phone 7832 Firmware | before 14.1\(1\) |
| Cisco | Ip Conference Phone 8832 Firmware | before 14.1\(1\) |
| Cisco | Ip Phone 7811 Firmware | before 14.1\(1\) |
| Cisco | Ip Phone 7821 Firmware | before 14.1\(1\) |
| Cisco | Ip Phone 7832 Firmware | before 14.1\(1\) |
| Cisco | Ip Phone 7841 Firmware | before 14.1\(1\) |
| Cisco | Ip Phone 7861 Firmware | before 14.1\(1\) |
| Cisco | Ip Phone 8811 Firmware | before 14.1\(1\) |
| Cisco | Ip Phone 8831 Firmware | before 14.1\(1\) |
| Cisco | Ip Phones 8832 Firmware | before 14.1\(1\) |
| Cisco | Ip Phone 8841 Firmware | before 14.1\(1\) |
| Cisco | Ip Phone 8845 Firmware | before 14.1\(1\) |