Cisco Wireless IP Phone 8821-Ex Firmware vulnerabilities

5 CVEs affecting Cisco Wireless IP Phone 8821-Ex Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2021-1379, published 2024-11-18.

Highest priority

Known exploited (CISA KEV) first, then by EPSS exploit probability.

CVE-2020-3111, published 2020-02-05. High severity, CVSS 8.8. EPSS: 3.1% chance of exploitation in the next 30 days. A vulnerability in the Cisco Discovery Protocol implementation for the Cisco IP Phone could allow an unauthenticated, adjacent attacker to remotely execute code with root privileges or cause a reload…
CVE-2019-1635, published 2019-05-03. High severity, CVSS 7.5. EPSS: 2% chance of exploitation in the next 30 days. 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 unauthenticated, remote attacker to…
CVE-2023-20018, published 2023-01-20. Medium severity, CVSS 6.5. EPSS: 0.6% chance of exploitation in the next 30 days. 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. …
CVE-2022-20660, published 2022-01-14. Medium severity, CVSS 4.6. EPSS: 0.4% chance of exploitation in the next 30 days. A vulnerability in the information storage architecture of several Cisco IP Phone models could allow an unauthenticated, physical attacker to obtain confidential information from an affected device.…
CVE-2021-1379, published 2024-11-18. Medium severity, CVSS 6.5. EPSS: 0.3% chance of exploitation in the next 30 days. Multiple vulnerabilities in the Cisco Discovery Protocol and Link Layer Discovery Protocol (LLDP) implementations for Cisco IP Phone Series 68xx/78xx/88xx could allow an unauthenticated,…