Cisco IP Phone 8821-Ex Firmware vulnerabilities

6 CVEs affecting Cisco IP Phone 8821-Ex Firmware, 1 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2023-20018, published 2023-01-20.

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

• CVE-2020-3161: Cisco IP Phones Web Server Remote Code Execution and Denial-of-Service Vulnerability, published 2020-04-15. Critical severity, CVSS 9.8. Actively exploited: in CISA KEV since 2021-11-03. EPSS: 83.9% chance of exploitation in the next 30 days. 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 an affected IP phone, resulting in a…
• CVE-2019-1716, published 2019-03-22. Critical severity, CVSS 9.8. EPSS: 3.1% chance of exploitation in the next 30 days. A vulnerability in the web-based management interface of Session Initiation Protocol (SIP) Software for Cisco IP Phone 7800 Series and Cisco IP Phone 8800 Series could allow an unauthenticated,…
• CVE-2019-1763, published 2019-03-22. High severity, CVSS 7.5. EPSS: 1.9% chance of exploitation in the next 30 days. A vulnerability in the web-based management interface of Session Initiation Protocol (SIP) Software for Cisco IP Phone 8800 Series could allow an unauthenticated, remote attacker to bypass…
• CVE-2019-1765, published 2019-03-22. Medium severity, CVSS 6.5. EPSS: 1.4% chance of exploitation in the next 30 days. A vulnerability in the web-based management interface of Session Initiation Protocol (SIP) Software for Cisco IP Phone 8800 Series could allow an authenticated, remote attacker to write arbitrary…
• CVE-2019-1764, published 2019-03-22. High severity, CVSS 8.8. EPSS: 0.7% chance of exploitation in the next 30 days. A vulnerability in the web-based management interface of Session Initiation Protocol (SIP) Software for Cisco IP Phone 8800 Series could allow an unauthenticated, remote attacker to conduct a…
• 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. …