CVE-2025-20336

Cisco Desk Phone 9800 Series, IP Phone 7800 and 8800 Series, and Video Phone 8875 with SIP Firmware Information Disclosure Vulnerability

Severity
Medium 5.3
CVSS 3.1
Exploited
Not listed
EPSS
0.004
31.5th percentile
Discovered by
Vendor
Published by the vendor
Published
Sep 3, 2025
Assigned by cisco

Description

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 information on an affected device. This vulnerability exists because the product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. An attacker could exploit this vulnerability by sending a crafted packet to the IP address of a device that has Web Access enabled. A successful exploit could allow the attacker to access sensitive information from the device. Note: To exploit this vulnerability, Web Access must be enabled on the phone. Web Access is disabled by default.

Weakness: CWE-200

Affected products

Vendor Product Category Matched by
Cisco Cisco SIP Software Other Products cna-assigner
Vendor-reported affected versions (1)
  • Cisco · Cisco Session Initiation Protocol (SIP) Software