Cisco Ip_phone_7821_firmware
19 CVEs affecting Cisco Ip_phone_7821_firmware. Latest disclosed: 2025-10-15. Critical: 3, High: 5.
| CVE | Severity | Score | Published | Summary |
|---|---|---|---|---|
CVE-2023-20079 | Critical | 9.8 | 2023-03-03 | Multiple vulnerabilities in the web-based management interface of certain Cisco IP Phones could allow an unauthenticated, remote attacker to execute arbitrary… |
CVE-2023-20078 | Critical | 9.8 | 2023-03-03 | Multiple vulnerabilities in the web-based management interface of certain Cisco IP Phones could allow an unauthenticated, remote attacker to execute arbitrary… |
CVE-2020-3161 | Critical | 9.8 | 2020-04-15 | A 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-2020-3111 | High | 8.8 | 2020-02-05 | A vulnerability in the Cisco Discovery Protocol implementation for the Cisco IP Phone could allow an unauthenticated, adjacent attacker to remotely execute cod… |
CVE-2023-20018 | High | 8.6 | 2023-01-20 | 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 a… |
CVE-2022-20968 | High | 8.1 | 2022-12-12 | A vulnerability in the Cisco Discovery Protocol processing feature of Cisco IP Phone 7800 and 8800 Series firmware could allow an unauthenticated, adjacent att… |
CVE-2025-20350 | High | 7.5 | 2025-10-15 | A 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-2019-1635 | High | 7.5 | 2019-05-03 | A 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-2022-20774 | Medium | 6.8 | 2022-04-06 | A vulnerability in the web-based management interface of Cisco IP Phone 6800, 7800, and 8800 Series with Multiplatform Firmware could allow an unauthenticated… |
CVE-2021-1379 | Medium | 6.5 | 2024-11-18 | Multiple vulnerabilities in the Cisco Discovery Protocol and Link Layer Discovery Protocol (LLDP) implementations for Cisco IP Phone Series 68xx/78xx… |
CVE-2019-1684 | Medium | 6.5 | 2019-02-21 | A 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-2025-20351 | Medium | 6.1 | 2025-10-15 | A 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-2021-34711 | Medium | 5.5 | 2021-10-06 | 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 vul… |
CVE-2019-16008 | Medium | 5.4 | 2020-01-26 | A vulnerability in the web-based GUI of Cisco IP Phone 6800, 7800, and 8800 Series with Multiplatform Firmware could allow an authenticated, remote attacker to… |
CVE-2025-20336 | Medium | 5.3 | 2025-09-03 | A vulnerability in the directory permissions of Cisco Desk Phone 9800 Series, Cisco IP Phone 7800 and 8800 Series, and Cisco Video Phone 8875 could allow an un… |
CVE-2025-20335 | Medium | 5.3 | 2025-09-03 | A vulnerability in the directory permissions of Cisco Desk Phone 9800 Series, Cisco IP Phone 7800 and 8800 Series, and Cisco Video Phone 8875 could allow an un… |
CVE-2024-20445 | Medium | 5.3 | 2024-11-06 | A vulnerability in the web UI of Cisco Desk Phone 9800 Series, Cisco IP Phone 7800 and 8800 Series, and Cisco Video Phone 8875 could allow an unauthenticated… |
CVE-2019-1922 | Medium | 5.3 | 2019-07-06 | A vulnerability in Cisco SIP IP Phone Software for Cisco IP Phone 7800 Series and 8800 Series could allow an unauthenticated, remote attacker to cause a denial… |
CVE-2022-20660 | Medium | 4.6 | 2022-01-14 | A vulnerability in the information storage architecture of several Cisco IP Phone models could allow an unauthenticated, physical attacker to obtain confidenti… |