CWE
79
Advisory Published
Updated

CVE-2023-20265: XSS

First published: Tue Nov 21 2023(Updated: )

A vulnerability in the web-based management interface of a small subset of Cisco IP Phones could allow an authenticated, remote attacker to conduct a stored cross-site scripting (XSS) attack against a user of the interface on an affected device. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by persuading a user of an affected interface to view a page containing malicious HTML or script content. 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. To exploit this vulnerability, the attacker must have valid credentials to access the web-based management interface of the affected device.

Credit: ykramarz@cisco.com

Affected SoftwareAffected VersionHow to fix
All of
Cisco Ip Dect 110 Firmware<5.1.2sr1
Cisco Ip Dect 110
All of
Cisco Ip Dect 210 Firmware<5.1.2sr1
Cisco Ip Dect 210
All of
Cisco Unified Ip Phone 6901 Firmware>=9.0<9.3\(1\)sr3
Cisco Unified Ip Phone 6901
All of
Cisco Unified Sip Phone 3905 Firmware>=9.0<9.4\(1\)sr4
Cisco Unified SIP Phone 3905

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Frequently Asked Questions

  • What is the vulnerability ID for this Cisco IP Phone vulnerability?

    The vulnerability ID for this Cisco IP Phone vulnerability is CVE-2023-20265.

  • What is the severity of CVE-2023-20265?

    The severity of CVE-2023-20265 is medium (CVSS score 5.5).

  • How does this vulnerability occur?

    This vulnerability occurs due to insufficient validation of user-supplied input in the web-based management interface of affected Cisco IP Phones.

  • What is the impact of this vulnerability?

    An authenticated, remote attacker could exploit this vulnerability to conduct a stored cross-site scripting (XSS) attack against a user of the interface on the affected device.

  • Is there a fix available for CVE-2023-20265?

    It is recommended to refer to the Cisco Security Advisory referenced in the description for available patches or mitigations for CVE-2023-20265.

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