CVE:CVE-2023-20018
CNNVD:CNNVD-202301-1004
Cisco IP Phone是美国思科（Cisco）公司的一个硬件设备。提供通话功能的IP电话。
Cisco IP Phone 7800 and 8800 Series存在安全漏洞，该漏洞源于对用户提供的输入验证不足。
solution:Upgrade cisco ip_phone_7800_firmware to a higher version than 14.1\(1\sr2,and avoid the version (,14.1\(1\)sr2); Upgrade cisco ip_phone_7811_firmware to a higher version than 14.1\(1\sr2,and avoid the version (,14.1\(1\)sr2); Upgrade cisco ip_phone_7821_firmware to a higher version than 14.1\(1\sr2,and avoid the version (,14.1\(1\)sr2); Upgrade cisco ip_phone_7832_firmware to a higher version than 14.1\(1\sr2,and avoid the version (,14.1\(1\)sr2); Upgrade cisco ip_phone_7841_firmware to a higher version than 14.1\(1\sr2,and avoid the version (,14.1\(1\)sr2); Upgrade cisco ip_phone_7861_firmware to a higher version than 14.1\(1\sr2,and avoid the version (,14.1\(1\)sr2); Upgrade cisco ip_phone_8800_firmware to a higher version than 14.1\(1\sr2,and avoid the version (,14.1\(1\)sr2); Upgrade cisco ip_phone_8811_firmware to a higher version than 14.1\(1\sr2,and avoid the version (,14.1\(1\)sr2); Upgrade cisco ip_phone_8821_firmware to a higher version than 14.1\(1\sr2,and avoid the version (,14.1\(1\)sr2); Upgrade cisco ip_phone_8821-ex_firmware to a higher version than 14.1\(1\sr2,and avoid the version (,14.1\(1\)sr2); Upgrade cisco ip_phone_8831_firmware to a higher version than 14.1\(1\sr2,and avoid the version (,14.1\(1\)sr2); Upgrade cisco ip_phone_8832_firmware to a higher version than 14.1\(1\sr2,and avoid the version (,14.1\(1\)sr2); Upgrade cisco ip_phone_8841_firmware to a higher version than 14.1\(1\sr2,and avoid the version (,14.1\(1\)sr2); Upgrade cisco ip_phone_8845_firmware to a higher version than 14.1\(1\sr2,and avoid the version (,14.1\(1\)sr2); Upgrade cisco ip_phone_8851_firmware to a higher version than 14.1\(1\sr2,and avoid the version (,14.1\(1\)sr2); Upgrade cisco ip_phone_8861_firmware to a higher version than 14.1\(1\sr2,and avoid the version (,14.1\(1\)sr2); Upgrade cisco ip_phone_8865_firmware to a higher version than 14.1\(1\sr2,and avoid the version (,14.1\(1\)sr2); Upgrade cisco ip_phones_8832_firmware to a higher version than 14.1\(1\sr2,and avoid the version (,14.1\(1\)sr2); Upgrade cisco unified_ip_phone_8851nr_firmware to a higher version than 14.1\(1\sr2,and avoid the version (,14.1\(1\)sr2); Upgrade cisco unified_ip_phone_8865nr_firmware to a higher version than 14.1\(1\sr2,and avoid the version (,14.1\(1\)sr2); Upgrade cisco wireless_ip_phone_8821_firmware to a higher version than 11.0\(6\sr4,and avoid the version (,11.0\(6\)sr4); Upgrade cisco wireless_ip_phone_8821-ex_firmware to a higher version than 11.0\(6\sr4,and avoid the version (,11.0\(6\)sr4)