High
CVE-2023-20018
Cisco IP Phone 7800 and 8800 Series could allow a remote attacker to bypass security restrictions, caused by improper validation of user-supplied input. By sending a specially-crafted request to the web-based management interface, an attacker could exploit this vulnerability to access certain restricted parts of the web interface.
Cisco
Refer to Cisco Security Advisory for patch, upgrade or suggested workaround information.