CVE-2021-34711
Medium
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.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Cisco Ip Conference Phone 7832 Firmware
PublishedOct 6, 2021
First seenOct 6, 2021
Weakness typeCWE-36CWE-36
How to fix
Update
- cisco ip_conference_phone_7832_firmware14.1\(1\) or later
- cisco ip_conference_phone_8832_firmware14.1\(1\) or later
- cisco ip_phone_7811_firmware14.1\(1\) or later
- cisco ip_phone_7821_firmware14.1\(1\) or later
- cisco ip_phone_7832_firmware14.1\(1\) or later
- cisco ip_phone_7841_firmware14.1\(1\) or later
- cisco ip_phone_7861_firmware14.1\(1\) or later
- cisco ip_phone_8811_firmware14.1\(1\) or later
- cisco ip_phone_8831_firmware14.1\(1\) or later
- cisco ip_phones_8832_firmware14.1\(1\) or later
- cisco ip_phone_8841_firmware14.1\(1\) or later
- cisco ip_phone_8845_firmware14.1\(1\) or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| cisco ip_conference_phone_7832_firmware | v < 14.1\(1\) | 14.1\(1\) |
| cisco ip_conference_phone_8832_firmware | v < 14.1\(1\) | 14.1\(1\) |
| cisco ip_phone_7811_firmware | v < 14.1\(1\) | 14.1\(1\) |
| cisco ip_phone_7821_firmware | v < 14.1\(1\) | 14.1\(1\) |
| cisco ip_phone_7832_firmware | v < 14.1\(1\) | 14.1\(1\) |
| cisco ip_phone_7841_firmware | v < 14.1\(1\) | 14.1\(1\) |
| cisco ip_phone_7861_firmware | v < 14.1\(1\) | 14.1\(1\) |
| cisco ip_phone_8811_firmware | v < 14.1\(1\) | 14.1\(1\) |
| cisco ip_phone_8831_firmware | v < 14.1\(1\) | 14.1\(1\) |
| cisco ip_phones_8832_firmware | v < 14.1\(1\) | 14.1\(1\) |
| cisco ip_phone_8841_firmware | v < 14.1\(1\) | 14.1\(1\) |
| cisco ip_phone_8845_firmware | v < 14.1\(1\) | 14.1\(1\) |
| cisco ip_phone_8851_firmware | v < 14.1\(1\) | 14.1\(1\) |
| cisco ip_phone_8861_firmware | v < 14.1\(1\) | 14.1\(1\) |
| cisco ip_phone_8865_firmware | v < 14.1\(1\) | 14.1\(1\) |
| cisco wireless_ip_phone_8821_firmware | v < 11.0\(6\)sr2 | 11.0\(6\)sr2 |
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