Vulnerability identifier: #VU100093

Vulnerability risk: Low

CVSSv3.1: 5.6 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-20533

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Desk Phone 9800 Series with Multiplatform Firmware
Hardware solutions / Office equipment, IP-phones, print servers
IP Phone 8800 Series with Multiplatform Firmware
Hardware solutions / Office equipment, IP-phones, print servers
Video Phone 8875 with Multiplatform Firmware
Hardware solutions / Office equipment, IP-phones, print servers
IP Phone 6800 Series with Multiplatform Firmware
Other software / Other software solutions
IP Phone 7800 Series with Multiplatform Firmware
Other software / Other software solutions
Cisco Multiplatform Firmware
Hardware solutions / Firmware

Vendor: Cisco Systems, Inc

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in the web UI. A remote user can inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Desk Phone 9800 Series with Multiplatform Firmware: All versions

IP Phone 6800 Series with Multiplatform Firmware: All versions

IP Phone 7800 Series with Multiplatform Firmware: All versions

IP Phone 8800 Series with Multiplatform Firmware: All versions

Video Phone 8875 with Multiplatform Firmware: All versions

Cisco Multiplatform Firmware: 2.3(1)SR1 - 12.0.5SR1

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External links
http://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-mpp-xss-8tAV2TvF

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.