Information disclosure in Cisco Systems, Inc products - CVE-2025-20336
Published: September 4, 2025
Vulnerability identifier: #VU114783
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-20336
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to excessive data output by the application in the directory permissions. A remote attacker can send a specially crafted packet to the IP address of a device and gain unauthorized access to sensitive information on the system.
Affected software
Desk Phone 9800 Series
Cisco IP Phone 8800 Series
Video Phone 8875
IP Phone 7800 Series
SIP IP Phone Software
Cisco IP Phone 8800 Series
Video Phone 8875
IP Phone 7800 Series
SIP IP Phone Software
How to mitigate CVE-2025-20336
Install updates from vendor's website.
SIP IP Phone Software - addressed in versions 3.3(1), 11.0(6)SR7, 14.3(1)SR2