What’s Vulnerable › Products
Cisco Ip Phone 8821 Firmware vulnerabilities
14 known vulnerabilities, 1 confirmed exploited in the wild (CISA KEV), 4 published in the last 12 months.
Check whether your Cisco Ip Phone 8821 Firmware version is affected
Exploited Cisco Ip Phone 8821 Firmware vulnerabilities
- CVE-2020-3161 — Cisco IP Phones Web Server Remote Code Execution and Denial-of-Service Vulnerability
Latest Cisco Ip Phone 8821 Firmware vulnerabilities
- CVE-2025-20351 — Cisco Desk Phone 9800 Series, IP Phone 7800 and 8800 Series, and Video Phone 8875 with SIP Firmware Cross-Site Scripting Vulnerability (CVSS 6.1)
- CVE-2025-20350 — Cisco Desk Phone 9800 Series, IP Phone 7800 and 8800 Series, and Video Phone 8875 with SIP Firmware Denial of Service Vulnerability (CVSS 7.5)
- CVE-2025-20336 — Cisco Desk Phone 9800 Series, IP Phone 7800 and 8800 Series, and Video Phone 8875 with SIP Firmware Information Disclosure Vulnerability (CVSS 7.5)
- CVE-2025-20335 — Cisco Desk Phone 9800 Series, IP Phone 7800 and 8800 Series, and Video Phone 8875 with SIP Firmware Information Arbitrary File Write Vulnerability (CVSS 5.3)
- CVE-2023-20018 — (CVSS 6.5)
- CVE-2020-26140 — (CVSS 6.5)
- CVE-2020-26139 — (CVSS 5.3)
- CVE-2020-24587 — (CVSS 2.6)
- CVE-2020-24588 — (CVSS 3.5)
- CVE-2020-3161 — Cisco IP Phones Web Server Remote Code Execution and Denial-of-Service Vulnerability (CVSS 9.8) — exploited
- CVE-2019-1765 — Cisco IP Phone 8800 Series Path Traversal Vulnerability (CVSS 6.5)
- CVE-2019-1764 — Cisco IP Phone 8800 Series Cross-Site Request Forgery Vulnerability (CVSS 8.8)
- CVE-2019-1763 — Cisco IP Phone 8800 Series Authorization Bypass Vulnerability (CVSS 7.5)
- CVE-2019-1716 — Cisco IP Phone 7800 Series and 8800 Series Remote Code Execution Vulnerability (CVSS 9.8)