A vulnerability in the web UI of Cisco Desk Phone 9800 Series, Cisco IP Phone 6800, 7800, and 8800 Series, and Cisco Video Phone 8875 with Cisco Multiplatform Firmware could allow an authenticated, remote attacker to conduct stored cross-site scripting (XSS) attacks against users. This vulnerability exists because the web UI of an affected device does not properly validate user-supplied input. An attacker could exploit this vulnerability by injecting malicious code into specific pages of the interface. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information. Note: To exploit this vulnerability, Web Access must be enabled on the phone and the attacker must have Admin credentials on the device. Web Access is disabled by default.
History

Mon, 05 Jan 2026 15:00:00 +0000

Type Values Removed Values Added
First Time appeared Cisco
Cisco desk Phone 9841
Cisco desk Phone 9841 With Multiplatform Firmware
Cisco desk Phone 9851
Cisco desk Phone 9851 With Multiplatform Firmware
Cisco desk Phone 9861
Cisco desk Phone 9861 With Multiplatform Firmware
Cisco desk Phone 9871
Cisco desk Phone 9871 With Multiplatform Firmware
Cisco ip Phone 6821
Cisco ip Phone 6821 With Multiplatform Firmware
Cisco ip Phone 6841
Cisco ip Phone 6841 With Multiplatform Firmware
Cisco ip Phone 6851
Cisco ip Phone 6851 With Multiplatform Firmware
Cisco ip Phone 6861
Cisco ip Phone 6861 With Multiplatform Firmware
Cisco ip Phone 6871
Cisco ip Phone 6871 With Multiplatform Firmware
Cisco ip Phone 7811
Cisco ip Phone 7811 With Multiplatform Firmware
Cisco ip Phone 7821
Cisco ip Phone 7821 With Multiplatform Firmware
Cisco ip Phone 7832
Cisco ip Phone 7832 With Multiplatform Firmware
Cisco ip Phone 7841
Cisco ip Phone 7841 With Multiplatform Firmware
Cisco ip Phone 7861
Cisco ip Phone 7861 With Multiplatform Firmware
Cisco ip Phone 8811
Cisco ip Phone 8811 With Multiplatform Firmware
Cisco ip Phone 8831
Cisco ip Phone 8831 With Multiplatform Firmware
Cisco ip Phone 8832
Cisco ip Phone 8832 With Multiplatform Firmware
Cisco ip Phone 8841
Cisco ip Phone 8841 With Multiplatform Firmware
Cisco ip Phone 8845
Cisco ip Phone 8845 With Multiplatform Firmware
Cisco ip Phone 8851
Cisco ip Phone 8851 With Multiplatform Firmware
Cisco ip Phone 8861
Cisco ip Phone 8861 With Multiplatform Firmware
Cisco ip Phone 8865
Cisco ip Phone 8865 With Multiplatform Firmware
Cisco video Phone 8875
Cisco video Phone 8875 With Multiplatform Firmware
CPEs cpe:2.3:h:cisco:desk_phone_9841:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:desk_phone_9851:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:desk_phone_9861:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:desk_phone_9871:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ip_phone_6821:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ip_phone_6841:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ip_phone_6851:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ip_phone_6861:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ip_phone_6871:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ip_phone_7811:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ip_phone_7821:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ip_phone_7832:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ip_phone_7841:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ip_phone_7861:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ip_phone_8811:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ip_phone_8831:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ip_phone_8832:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ip_phone_8841:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ip_phone_8845:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ip_phone_8851:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ip_phone_8861:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ip_phone_8865:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:video_phone_8875:-:*:*:*:*:*:*:*
cpe:2.3:o:cisco:desk_phone_9841_with_multiplatform_firmware:3.1\(1\):-:*:*:*:*:*:*
cpe:2.3:o:cisco:desk_phone_9841_with_multiplatform_firmware:3.1\(1\):sr1:*:*:*:*:*:*
cpe:2.3:o:cisco:desk_phone_9851_with_multiplatform_firmware:3.1\(1\):-:*:*:*:*:*:*
cpe:2.3:o:cisco:desk_phone_9851_with_multiplatform_firmware:3.1\(1\):sr1:*:*:*:*:*:*
cpe:2.3:o:cisco:desk_phone_9861_with_multiplatform_firmware:3.1\(1\):-:*:*:*:*:*:*
cpe:2.3:o:cisco:desk_phone_9861_with_multiplatform_firmware:3.1\(1\):sr1:*:*:*:*:*:*
cpe:2.3:o:cisco:desk_phone_9871_with_multiplatform_firmware:3.1\(1\):-:*:*:*:*:*:*
cpe:2.3:o:cisco:desk_phone_9871_with_multiplatform_firmware:3.1\(1\):sr1:*:*:*:*:*:*
cpe:2.3:o:cisco:ip_phone_6821_with_multiplatform_firmware:12.0\(5\):sr1:*:*:*:*:*:*
cpe:2.3:o:cisco:ip_phone_6841_with_multiplatform_firmware:12.0\(5\):sr1:*:*:*:*:*:*
cpe:2.3:o:cisco:ip_phone_6851_with_multiplatform_firmware:12.0\(5\):sr1:*:*:*:*:*:*
cpe:2.3:o:cisco:ip_phone_6861_with_multiplatform_firmware:12.0\(5\):sr1:*:*:*:*:*:*
cpe:2.3:o:cisco:ip_phone_6871_with_multiplatform_firmware:12.0\(5\):sr1:*:*:*:*:*:*
cpe:2.3:o:cisco:ip_phone_7811_with_multiplatform_firmware:12.0\(5\):sr1:*:*:*:*:*:*
cpe:2.3:o:cisco:ip_phone_7821_with_multiplatform_firmware:12.0\(5\):sr1:*:*:*:*:*:*
cpe:2.3:o:cisco:ip_phone_7832_with_multiplatform_firmware:12.0\(5\):sr1:*:*:*:*:*:*
cpe:2.3:o:cisco:ip_phone_7841_with_multiplatform_firmware:12.0\(5\):sr1:*:*:*:*:*:*
cpe:2.3:o:cisco:ip_phone_7861_with_multiplatform_firmware:12.0\(5\):sr1:*:*:*:*:*:*
cpe:2.3:o:cisco:ip_phone_8811_with_multiplatform_firmware:12.0\(5\):sr1:*:*:*:*:*:*
cpe:2.3:o:cisco:ip_phone_8831_with_multiplatform_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ip_phone_8832_with_multiplatform_firmware:12.0\(5\):sr1:*:*:*:*:*:*
cpe:2.3:o:cisco:ip_phone_8841_with_multiplatform_firmware:12.0\(5\):sr1:*:*:*:*:*:*
cpe:2.3:o:cisco:ip_phone_8845_with_multiplatform_firmware:12.0\(5\):sr1:*:*:*:*:*:*
cpe:2.3:o:cisco:ip_phone_8851_with_multiplatform_firmware:12.0\(5\):sr1:*:*:*:*:*:*
cpe:2.3:o:cisco:ip_phone_8861_with_multiplatform_firmware:12.0\(5\):sr1:*:*:*:*:*:*
cpe:2.3:o:cisco:ip_phone_8865_with_multiplatform_firmware:12.0\(5\):sr1:*:*:*:*:*:*
cpe:2.3:o:cisco:video_phone_8875_with_multiplatform_firmware:*:-:*:*:*:*:*:*
cpe:2.3:o:cisco:video_phone_8875_with_multiplatform_firmware:2.3\(1\):-:*:*:*:*:*:*
cpe:2.3:o:cisco:video_phone_8875_with_multiplatform_firmware:2.3\(1\):sr1:*:*:*:*:*:*
Vendors & Products Cisco
Cisco desk Phone 9841
Cisco desk Phone 9841 With Multiplatform Firmware
Cisco desk Phone 9851
Cisco desk Phone 9851 With Multiplatform Firmware
Cisco desk Phone 9861
Cisco desk Phone 9861 With Multiplatform Firmware
Cisco desk Phone 9871
Cisco desk Phone 9871 With Multiplatform Firmware
Cisco ip Phone 6821
Cisco ip Phone 6821 With Multiplatform Firmware
Cisco ip Phone 6841
Cisco ip Phone 6841 With Multiplatform Firmware
Cisco ip Phone 6851
Cisco ip Phone 6851 With Multiplatform Firmware
Cisco ip Phone 6861
Cisco ip Phone 6861 With Multiplatform Firmware
Cisco ip Phone 6871
Cisco ip Phone 6871 With Multiplatform Firmware
Cisco ip Phone 7811
Cisco ip Phone 7811 With Multiplatform Firmware
Cisco ip Phone 7821
Cisco ip Phone 7821 With Multiplatform Firmware
Cisco ip Phone 7832
Cisco ip Phone 7832 With Multiplatform Firmware
Cisco ip Phone 7841
Cisco ip Phone 7841 With Multiplatform Firmware
Cisco ip Phone 7861
Cisco ip Phone 7861 With Multiplatform Firmware
Cisco ip Phone 8811
Cisco ip Phone 8811 With Multiplatform Firmware
Cisco ip Phone 8831
Cisco ip Phone 8831 With Multiplatform Firmware
Cisco ip Phone 8832
Cisco ip Phone 8832 With Multiplatform Firmware
Cisco ip Phone 8841
Cisco ip Phone 8841 With Multiplatform Firmware
Cisco ip Phone 8845
Cisco ip Phone 8845 With Multiplatform Firmware
Cisco ip Phone 8851
Cisco ip Phone 8851 With Multiplatform Firmware
Cisco ip Phone 8861
Cisco ip Phone 8861 With Multiplatform Firmware
Cisco ip Phone 8865
Cisco ip Phone 8865 With Multiplatform Firmware
Cisco video Phone 8875
Cisco video Phone 8875 With Multiplatform Firmware

Sat, 12 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00047}

epss

{'score': 0.00051}


Wed, 06 Nov 2024 17:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 06 Nov 2024 17:00:00 +0000

Type Values Removed Values Added
Description Multiple vulnerabilities in the web UI of Cisco Desk Phone 9800 Series, Cisco IP Phone 6800, 7800, and 8800 Series, and Cisco Video Phone 8875 with Cisco Multiplatform Firmware could allow an authenticated, remote attacker to conduct stored cross-site scripting (XSS) attacks against users. These vulnerabilities exist because the web UI of an affected device does not properly validate user-supplied input. An attacker could exploit these vulnerabilities by injecting malicious code into specific pages of the interface. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information. Note: To exploit these vulnerabilities, Web Access must be enabled on the phone and the attacker must have Admin credentials on the device. Web Access is disabled by default. A vulnerability in the web UI of Cisco Desk Phone 9800 Series, Cisco IP Phone 6800, 7800, and 8800 Series, and Cisco Video Phone 8875 with Cisco Multiplatform Firmware could allow an authenticated, remote attacker to conduct stored cross-site scripting (XSS) attacks against users. This vulnerability exists because the web UI of an affected device does not properly validate user-supplied input. An attacker could exploit this vulnerability by injecting malicious code into specific pages of the interface. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information. Note: To exploit this vulnerability, Web Access must be enabled on the phone and the attacker must have Admin credentials on the device. Web Access is disabled by default.

Wed, 06 Nov 2024 16:45:00 +0000

Type Values Removed Values Added
Description Multiple vulnerabilities in the web UI of Cisco Desk Phone 9800 Series, Cisco IP Phone 6800, 7800, and 8800 Series, and Cisco Video Phone 8875 with Cisco Multiplatform Firmware could allow an authenticated, remote attacker to conduct stored cross-site scripting (XSS) attacks against users. These vulnerabilities exist because the web UI of an affected device does not properly validate user-supplied input. An attacker could exploit these vulnerabilities by injecting malicious code into specific pages of the interface. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information. Note: To exploit these vulnerabilities, Web Access must be enabled on the phone and the attacker must have Admin credentials on the device. Web Access is disabled by default.
Title Cisco IP Phone 6800, 7800, 8800, and 9800 Series with Multiplatform Firmware Stored Cross-Site Scripting Vulnerabilities
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 4.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: cisco

Published: 2024-11-06T16:31:21.072Z

Updated: 2024-11-06T17:00:38.504Z

Reserved: 2023-11-08T15:08:07.692Z

Link: CVE-2024-20533

cve-icon Vulnrichment

Updated: 2024-11-06T17:00:35.339Z

cve-icon NVD

Status : Analyzed

Published: 2024-11-06T17:15:18.700

Modified: 2026-01-05T14:50:17.470

Link: CVE-2024-20533

cve-icon Redhat

No data.