CVE-2024-20533

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.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
4.8 MEDIUM
NETWORK
LOW
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
ciscoCNA
4.8 MEDIUM
NETWORK
LOW
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
CISA-ADPADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 32%
VendorProductVersion
ciscodesk_phone_9841_with_multiplatform_firmware
3.1\(1\)
ciscodesk_phone_9841_with_multiplatform_firmware
3.1\(1\):sr1
ciscodesk_phone_9851_with_multiplatform_firmware
3.1\(1\)
ciscodesk_phone_9851_with_multiplatform_firmware
3.1\(1\):sr1
ciscodesk_phone_9861_with_multiplatform_firmware
3.1\(1\)
ciscodesk_phone_9861_with_multiplatform_firmware
3.1\(1\):sr1
ciscodesk_phone_9871_with_multiplatform_firmware
3.1\(1\)
ciscodesk_phone_9871_with_multiplatform_firmware
3.1\(1\):sr1
ciscoip_phone_6821_with_multiplatform_firmware
12.0\(5\):sr1
ciscoip_phone_6841_with_multiplatform_firmware
12.0\(5\):sr1
ciscoip_phone_6851_with_multiplatform_firmware
12.0\(5\):sr1
ciscoip_phone_6861_with_multiplatform_firmware
12.0\(5\):sr1
ciscoip_phone_6871_with_multiplatform_firmware
12.0\(5\):sr1
ciscoip_phone_7811_with_multiplatform_firmware
12.0\(5\):sr1
ciscoip_phone_7821_with_multiplatform_firmware
12.0\(5\):sr1
ciscoip_phone_7832_with_multiplatform_firmware
12.0\(5\):sr1
ciscoip_phone_7841_with_multiplatform_firmware
12.0\(5\):sr1
ciscoip_phone_7861_with_multiplatform_firmware
12.0\(5\):sr1
ciscoip_phone_8811_with_multiplatform_firmware
12.0\(5\):sr1
ciscoip_phone_8832_with_multiplatform_firmware
12.0\(5\):sr1
ciscoip_phone_8841_with_multiplatform_firmware
12.0\(5\):sr1
ciscoip_phone_8845_with_multiplatform_firmware
12.0\(5\):sr1
ciscoip_phone_8851_with_multiplatform_firmware
12.0\(5\):sr1
ciscoip_phone_8861_with_multiplatform_firmware
12.0\(5\):sr1
ciscoip_phone_8865_with_multiplatform_firmware
12.0\(5\):sr1
ciscovideo_phone_8875_with_multiplatform_firmware
𝑥
< 2.3\(1\)
ciscovideo_phone_8875_with_multiplatform_firmware
2.3\(1\)
ciscovideo_phone_8875_with_multiplatform_firmware
2.3\(1\):sr1
ciscoip_phone_8831_with_multiplatform_firmware
-
𝑥
= Vulnerable software versions