CVE-2023-20018

HIGH

Cisco IP Phone <7800-8800 - Auth Bypass

Title source: llm
STIX 2.1

Description

A vulnerability in the web-based management interface of Cisco IP Phone 7800 and 8800 Series Phones could allow an unauthenticated, remote attacker to bypass authentication on an affected device. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted request to the web-based management interface. A successful exploit could allow the attacker to access certain parts of the web interface that would normally require authentication.

Scores

CVSS v3 8.6
EPSS 0.0038
EPSS Percentile 59.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

Details

CWE
CWE-288 CWE-863
Status published
Products (22)
cisco/ip_phone_7800_firmware < 14.1\(1\)sr2
cisco/ip_phone_7811_firmware < 14.1\(1\)sr2
cisco/ip_phone_7821_firmware < 14.1\(1\)sr2
cisco/ip_phone_7832_firmware < 14.1\(1\)sr2
cisco/ip_phone_7841_firmware < 14.1\(1\)sr2
cisco/ip_phone_7861_firmware < 14.1\(1\)sr2
cisco/ip_phone_8800_firmware < 14.1\(1\)sr2
cisco/ip_phone_8811_firmware < 14.1\(1\)sr2
cisco/ip_phone_8821-ex_firmware < 14.1\(1\)sr2
cisco/ip_phone_8821_firmware < 14.1\(1\)sr2
... and 12 more
Published Jan 20, 2023
Tracked Since Feb 18, 2026