Cisco Ip_phone_7821

28 CVEs affecting Cisco Ip_phone_7821. Latest disclosed: 2025-10-15. Critical: 3, High: 10.

Top CVEs affecting Cisco Ip_phone_7821
CVESeverityScorePublishedSummary
CVE-2023-20079Critical9.82023-03-03Multiple vulnerabilities in the web-based management interface of certain Cisco IP Phones could allow an unauthenticated, remote attacker to execute arbitrary…
CVE-2023-20078Critical9.82023-03-03Multiple vulnerabilities in the web-based management interface of certain Cisco IP Phones could allow an unauthenticated, remote attacker to execute arbitrary…
CVE-2020-3161Critical9.82020-04-15A vulnerability in the web server for Cisco IP Phones could allow an unauthenticated, remote attacker to execute code with root privileges or cause a reload of…
CVE-2020-3111High8.82020-02-05A vulnerability in the Cisco Discovery Protocol implementation for the Cisco IP Phone could allow an unauthenticated, adjacent attacker to remotely execute cod…
CVE-2018-0341High8.82018-07-16A vulnerability in the web-based UI of Cisco IP Phone 6800, 7800, and 8800 Series with Multiplatform Firmware before 11.2(1) could allow an authenticated, remo…
CVE-2023-20018High8.62023-01-20A vulnerability in the web-based management interface of Cisco IP Phone 7800 and 8800 Series Phones could allow an unauthenticated, remote attacker to bypass a…
CVE-2022-20968High8.12022-12-12A vulnerability in the Cisco Discovery Protocol processing feature of Cisco IP Phone 7800 and 8800 Series firmware could allow an unauthenticated, adjacent att…
CVE-2025-20350High7.52025-10-15A vulnerability in the web UI of Cisco Desk Phone 9800 Series, Cisco IP Phone 7800 and 8800 Series, and Cisco Video Phone 8875 running Cisco SIP Software could…
CVE-2024-20378High7.52024-05-01A vulnerability in the web-based management interface of Cisco IP Phone firmware could allow an unauthenticated, remote attacker to retrieve sensitive informat…
CVE-2024-20376High7.52024-05-01A vulnerability in the web-based management interface of Cisco IP Phone firmware could allow an unauthenticated, remote attacker to cause an affected device to…
CVE-2019-1635High7.52019-05-03A vulnerability in the call-handling functionality of Session Initiation Protocol (SIP) Software for Cisco IP Phone 7800 Series and 8800 Series could allow an…
CVE-2018-0332High7.52018-06-07A vulnerability in the Session Initiation Protocol (SIP) ingress packet processing of Cisco Unified IP Phone software could allow an unauthenticated, remote at…
CVE-2018-0316High7.52018-06-07A vulnerability in the Session Initiation Protocol (SIP) call-handling functionality of Cisco IP Phone 6800, 7800, and 8800 Series Phones with Multiplatform Fi…
CVE-2022-20774Medium6.82022-04-06A vulnerability in the web-based management interface of Cisco IP Phone 6800, 7800, and 8800 Series with Multiplatform Firmware could allow an unauthenticated…
CVE-2021-1379Medium6.52024-11-18Multiple vulnerabilities in the Cisco Discovery Protocol and Link Layer Discovery Protocol (LLDP) implementations for Cisco IP Phone Series 68xx/78xx…
CVE-2023-20221Medium6.52023-08-16A vulnerability in the web-based management interface of Cisco IP Phone 6800, 7800, and 8800 Series with Multiplatform Firmware could allow an unauthenticated…
CVE-2019-1684Medium6.52019-02-21A vulnerability in the Cisco Discovery Protocol or Link Layer Discovery Protocol (LLDP) implementation for the Cisco IP Phone 7800 and 8800 Series could allow…
CVE-2025-20351Medium6.12025-10-15A vulnerability in the web UI of Cisco Desk Phone 9800 Series, Cisco IP Phone 7800 and 8800 Series, and Cisco Video Phone 8875 running Cisco SIP Software could…
CVE-2024-20357Medium5.92024-05-01A vulnerability in the XML service of Cisco IP Phone firmware could allow an unauthenticated, remote attacker to initiate phone calls on an affected device. …
CVE-2021-34711Medium5.52021-10-06A 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 vul…