Cisco Ip Phone 8821 Firmware — known CVE vulnerabilities

Every CVE whose affected-product data names Cisco Ip Phone 8821 Firmware, ordered by CVSS severity, with EPSS exploit prediction and CISA KEV status.

CVEs (14)

• CVE-2020-3161 — CVSS 9.8 (critical) — actively exploited: A vulnerability in the web server for Cisco IP Phones could allow an unauthenticated, remote attacker to execute code with root privileges…
• CVE-2023-20018 — CVSS 8.6 (high): A vulnerability in the web-based management interface of Cisco IP Phone 7800 and 8800 Series Phones could allow an unauthenticated, remote…
• CVE-2019-1765 — CVSS 8.1 (high): A vulnerability in the web-based management interface of Session Initiation Protocol (SIP) Software for Cisco IP Phone 8800 Series could…
• CVE-2019-1764 — CVSS 8.1 (high): A vulnerability in the web-based management interface of Session Initiation Protocol (SIP) Software for Cisco IP Phone 8800 Series could…
• CVE-2025-20350 — CVSS 7.5 (high): 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…
• CVE-2019-1716 — CVSS 7.5 (high): A vulnerability in the web-based management interface of Session Initiation Protocol (SIP) Software for Cisco IP Phone 7800 Series and…
• CVE-2019-1763 — CVSS 7.5 (high): A vulnerability in the web-based management interface of Session Initiation Protocol (SIP) Software for Cisco IP Phone 8800 Series could…
• CVE-2020-26140 — CVSS 6.5 (medium): An issue was discovered in the ALFA Windows 10 driver 6.1316.1209 for AWUS036H. The WEP, WPA, WPA2, and WPA3 implementations accept…
• CVE-2025-20351 — CVSS 6.1 (medium): 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…
• CVE-2020-26139 — CVSS 5.3 (medium): An issue was discovered in the kernel in NetBSD 7.1. An Access Point (AP) forwards EAPOL frames to other clients even though the sender has…
• CVE-2025-20335 — CVSS 5.3 (medium): A vulnerability in the directory permissions of Cisco Desk Phone 9800 Series, Cisco IP Phone 7800 and 8800 Series, and Cisco Video Phone…
• CVE-2025-20336 — CVSS 5.3 (medium): A vulnerability in the directory permissions of Cisco Desk Phone 9800 Series, Cisco IP Phone 7800 and 8800 Series, and Cisco Video Phone…
• CVE-2020-24588 — CVSS 3.5 (low): The 802.11 standard that underpins Wi-Fi Protected Access (WPA, WPA2, and WPA3) and Wired Equivalent Privacy (WEP) doesn't require that the…
• CVE-2020-24587 — CVSS 2.6 (low): The 802.11 standard that underpins Wi-Fi Protected Access (WPA, WPA2, and WPA3) and Wired Equivalent Privacy (WEP) doesn't require that all…