Vulnerability Monitor

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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. 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.

Published

2021-10-06T20:15:09.587

Last Modified

2024-11-21T06:11:01.283

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.5 (MEDIUM)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:P/I:N/A:N

  • Access Vector: LOCAL
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: NONE
  • Availability Impact: NONE
Exploitability Score

3.9

Impact Score

2.9

Weaknesses
  • Type: Secondary
    CWE-36
  • Type: Primary
    CWE-22
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System cisco ip_conference_phone_7832_firmware < 14.1\(1\) Yes
Hardware cisco ip_conference_phone_7832 - No
Operating System cisco ip_conference_phone_8832_firmware < 14.1\(1\) Yes
Hardware cisco ip_conference_phone_8832 - No
Operating System cisco ip_phone_7811_firmware < 14.1\(1\) Yes
Hardware cisco ip_phone_7811 - No
Operating System cisco ip_phone_7821_firmware < 14.1\(1\) Yes
Hardware cisco ip_phone_7821 - No
Operating System cisco ip_phone_7832_firmware < 14.1\(1\) Yes
Hardware cisco ip_phone_7832 - No
Operating System cisco ip_phone_7841_firmware < 14.1\(1\) Yes
Hardware cisco ip_phone_7841 - No
Operating System cisco ip_phone_7861_firmware < 14.1\(1\) Yes
Hardware cisco ip_phone_7861 - No
Operating System cisco ip_phone_8811_firmware < 14.1\(1\) Yes
Hardware cisco ip_phone_8811 - No
Operating System cisco ip_phone_8831_firmware < 14.1\(1\) Yes
Hardware cisco ip_phone_8831 - No
Operating System cisco ip_phones_8832_firmware < 14.1\(1\) Yes
Hardware cisco ip_phones_8832 - No
Operating System cisco ip_phone_8841_firmware < 14.1\(1\) Yes
Hardware cisco ip_phone_8841 - No
Operating System cisco ip_phone_8845_firmware < 14.1\(1\) Yes
Hardware cisco ip_phone_8845 - No
Operating System cisco ip_phone_8851_firmware < 14.1\(1\) Yes
Hardware cisco ip_phone_8851 - No
Operating System cisco ip_phone_8861_firmware < 14.1\(1\) Yes
Hardware cisco ip_phone_8861 - No
Operating System cisco ip_phone_8865_firmware < 14.1\(1\) Yes
Hardware cisco ip_phone_8865 - No
Operating System cisco wireless_ip_phone_8821_firmware < 11.0\(6\)sr2 Yes
Hardware cisco wireless_ip_phone_8821 - No
References