Cisco Cisco Session Initiation Protocol (SIP) Software

• CVE-2026-20281 High 7.5 Cisco Desk Phone 9800 Series, IP Phone 7800 and 8800 Series, and Video Phone 8875 with SIP Software Denial of Service Vulnerability 0.6%
• CVE-2025-20351 Medium 6.1 Cisco Desk Phone 9800 Series, IP Phone 7800 and 8800 Series, and Video Phone 8875 with SIP Firmware Cross-Site Scripting Vulnerability 0.3%
• CVE-2025-20350 High 7.5 Cisco Desk Phone 9800 Series, IP Phone 7800 and 8800 Series, and Video Phone 8875 with SIP Firmware Denial of Service Vulnerability 0.5%
• CVE-2025-20335 Medium 5.3 Cisco Desk Phone 9800 Series, IP Phone 7800 and 8800 Series, and Video Phone 8875 with SIP Firmware Information Arbitrary File Write Vulnerability 0.4%
• CVE-2025-20336 Medium 5.3 Cisco Desk Phone 9800 Series, IP Phone 7800 and 8800 Series, and Video Phone 8875 with SIP Firmware Information Disclosure Vulnerability 0.4%
• CVE-2025-20158 Medium 4.4 Cisco Video Phone 8875 and Desk Phone 9800 Series Information Disclosure Vulnerability 0.2%
• CVE-2021-1379 Medium 6.5 Cisco IP Phones Cisco Discovery Protocol and Link Layer Discovery Protocol Remote Code Execution and Denial of Service Vulnerabilities 0.3%
• CVE-2024-20534 Medium 4.8 Cisco IP Phone 6800, 7800, 8800, and 9800 Series with Multiplatform Firmware Stored Cross-Site Scripting Vulnerability 0.3%
• CVE-2024-20533 Medium 4.8 Cisco IP Phone 6800, 7800, 8800, and 9800 Series with Multiplatform Firmware Stored Cross-Site Scripting Vulnerabilities 0.3%
• CVE-2024-20445 Medium 5.3 Cisco IP Phone 7800, 8800, and 9800 Series Information Disclosure Vulnerability 0.4%
• CVE-2023-20265 Medium 5.5 A vulnerability in the web-based management interface of a small subset of Cisco IP Phones could allow an authenticated, remote attacker to conduct a stored cross-site scripting (XSS) attack against a 0.5%
• CVE-2023-20018 High 8.6 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. T 0.6%
• CVE-2022-20968 High 8.1 A vulnerability in the Cisco Discovery Protocol processing feature of Cisco IP Phone 7800 and 8800 Series firmware could allow an unauthenticated, adjacent attacker to cause a stack overflow on an aff 6.4%
• CVE-2022-20660 Medium 4.6 Cisco IP Phones Information Disclosure Vulnerability 0.4%