CVEvulnerability

CVE-2021-34711

5.5 MEDIUM Published 2021-10-06 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-10-06
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS 3.1 ([email protected])
5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0 ([email protected])
2.1 LOW — AV:L/AC:L/Au:N/C:P/I:N/A:N
Weaknesses
CWE-22, CWE-36

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.

Affected configurations

• 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 phones 8832 firmware (< 14.1\(1\)) • cisco ip phone 8841 firmware (< 14.1\(1\)) • cisco ip phone 8845 firmware (< 14.1\(1\)) • cisco ip phone 8851 firmware (< 14.1\(1\)) • cisco ip phone 8861 firmware (< 14.1\(1\)) • cisco ip phone 8865 firmware (< 14.1\(1\)) • cisco wireless ip phone 8821 firmware (< 11.0\(6\)sr2)

Related

Weakness · CWE (2)

  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory weakness
  • CWE-36 Absolute Path Traversal weakness

References