Cisco
Cisco IP Phone 8841 Firmware: vulnerabilities and CVEs
Cisco IP Phone 8841 Firmware has 21 published vulnerabilities, 2 of them in the last 12 months. 2 are rated critical and 1 are listed by CISA as actively exploited.
CVEs21
Last 12 months2
Critical2
Actively exploited1
All vulnerabilities in the catalogue →⭐ Follow this technology
🔴 Actively exploited (CISA KEV)
| CVE | Severity | EPSS | Active exploitation | Published | Description |
|---|---|---|---|---|---|
| CVE-2020-3161 | Critical (9.8) | 84% | ⚠ Active exploitation | Apr 15, 2020 | 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 denial of service… |
Latest vulnerabilities
| CVE | Severity | EPSS | Active exploitation | Published | Description |
|---|---|---|---|---|---|
| CVE-2025-20351 | Medium (6.1) | 0.29% | — | Oct 15, 2025 | 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 Cisco SIP Software could allow an unauthenticated, remote attacker to conduct XSS… |
| CVE-2025-20350 | High (7.5) | 0.48% | — | Oct 15, 2025 | 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 Cisco SIP Software could allow an unauthenticated, remote attacker to cause a DoS… |
| CVE-2025-20336 | High (7.5) | 0.39% | — | Sep 3, 2025 | A vulnerability in the directory permissions of Cisco Desk Phone 9800 Series, Cisco IP Phone 7800 and 8800 Series, and Cisco Video Phone 8875 could allow an unauthenticated, remote attacker to access sensitive… |
| CVE-2025-20335 | Medium (5.3) | 0.35% | — | Sep 3, 2025 | A vulnerability in the directory permissions of Cisco Desk Phone 9800 Series, Cisco IP Phone 7800 and 8800 Series, and Cisco Video Phone 8875 could allow an unauthenticated, remote attacker to write arbitrary files on… |
| CVE-2021-1379 | Medium (6.5) | 0.33% | — | Nov 18, 2024 | 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, adjacent attacker to… |
| CVE-2024-20445 | Medium (5.3) | 0.44% | — | Nov 6, 2024 | A vulnerability in the web UI of Cisco Desk Phone 9800 Series, Cisco IP Phone 7800 and 8800 Series, and Cisco Video Phone 8875 could allow an unauthenticated, remote attacker to access sensitive information on an… |
| CVE-2023-20079 | High (7.5) | 10% | — | Mar 3, 2023 | Multiple vulnerabilities in the web-based management interface of certain Cisco IP Phones could allow an unauthenticated, remote attacker to execute arbitrary code or cause a denial of service (DoS) condition. For more… |
| CVE-2023-20078 | Critical (9.8) | 10% | — | Mar 3, 2023 | Multiple vulnerabilities in the web-based management interface of certain Cisco IP Phones could allow an unauthenticated, remote attacker to execute arbitrary code or cause a denial of service (DoS) condition. For more… |
| CVE-2023-20018 | Medium (6.5) | 0.61% | — | Jan 20, 2023 | 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. This vulnerability is… |
| CVE-2022-20968 | High (8.8) | 6.1% | — | Dec 12, 2022 | 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 affected device. This… |
| CVE-2022-20774 | High (8.1) | 0.40% | — | Apr 6, 2022 | A vulnerability in the web-based management interface of Cisco IP Phone 6800, 7800, and 8800 Series with Multiplatform Firmware could allow an unauthenticated, remote attacker to conduct a cross-site request forgery… |
| CVE-2022-20660 | Medium (4.6) | 0.35% | — | Jan 14, 2022 | 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. This vulnerability… |
| CVE-2021-34711 | Medium (5.5) | 0.27% | — | Oct 6, 2021 | A vulnerability in the debug shell of Cisco IP Phone software could allow an authenticated, local attacker to read any file on the device file system. This vulnerability is due to insufficient input validation. An… |
| CVE-2021-33478 | Medium (6.8) | 0.30% | — | Jul 22, 2021 | The TrustZone implementation in certain Broadcom MediaxChange firmware could allow an unauthenticated, physically proximate attacker to achieve arbitrary code execution in the TrustZone Trusted Execution Environment… |
| CVE-2020-3574 | High (7.5) | 8.0% | — | Nov 6, 2020 | A vulnerability in the TCP packet processing functionality of Cisco IP Phones could allow an unauthenticated, remote attacker to cause the phone to stop responding to incoming calls, drop connected calls, or… |
| CVE-2020-3161 | Critical (9.8) | 84% | ⚠ Active exploitation | Apr 15, 2020 | 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 denial of service… |
| CVE-2020-3111 | High (8.8) | 3.1% | — | Feb 5, 2020 | 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 of an affected IP… |
| CVE-2019-16008 | Medium (5.4) | 0.63% | — | Jan 26, 2020 | A vulnerability in the web-based GUI of Cisco IP Phone 6800, 7800, and 8800 Series with Multiplatform Firmware could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user… |
| CVE-2019-1922 | High (7.5) | 1.3% | — | Jul 6, 2019 | A vulnerability in Cisco SIP IP Phone Software for Cisco IP Phone 7800 Series and 8800 Series could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected phone. The… |
| CVE-2019-1635 | High (7.5) | 2.0% | — | May 3, 2019 | 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 cause an affected phone… |
| CVE-2019-1684 | Medium (6.5) | 0.64% | — | Feb 21, 2019 | A vulnerability in the Cisco Discovery Protocol or Link Layer Discovery Protocol (LLDP) implementation for the Cisco IP Phone 7800 and 8800 Series could allow an unauthenticated, adjacent attacker to cause an affected… |
🎯 How it gets exploited (ATT&CK techniques)
Number of CVEs of this technology mapped to each exploitation or primary-impact technique.