Cisco Desk/IP/Video Phone Multiple Vulnerabilities (cisco-sa-phone-write-g3kcC5Df)

medium Nessus Plugin ID 264636

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Synopsis

The remote device is missing a vendor-supplied security patch.

Description

According to its self-reported version, the remote Cisco Desk, IP or Video Phone running SIP Software is affected by multiple vulnerabilities that could allow an unauthenticated, remote attacker to conduct arbitrary file write and information disclosure attacks. To exploit these vulnerabilities, Web Access must be enabled on the phone. Web Access is disabled by default.

Please see the included Cisco BIDs and Cisco Security Advisory for more information.

Solution

Upgrade to the relevant fixed version referenced in Cisco bug IDs CSCwn51677, CSCwn51679, CSCwn52909, CSCwn52910, CSCwn52911, CSCwn52913, CSCwn52919, CSCwn52920, CSCwn52921, CSCwn52922, CSCwn55709, CSCwn55710, CSCwn55712, CSCwn55714, CSCwn55725, CSCwn55726, CSCwn55727, CSCwn55728

Plugin Details

Severity: Medium

ID: 264636

File Name: cisco-sa-phone-write-g3kcC5Df.nasl

Version: 1.1

Type: combined

Family: CISCO

Published: 9/12/2025

Updated: 9/12/2025

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 2.9

CVSS v2

Risk Factor: Medium

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N

CVSS Score Source: CVE-2025-20336

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Vulnerability Information

CPE: x-cpe:/h:cisco:ip_phone, x-cpe:/o:cisco:ip_phone

Required KB Items: installed_sw/Cisco IP Phone, Settings/ParanoidReport

Exploit Ease: No known exploits are available

Patch Publication Date: 9/3/2025

Vulnerability Publication Date: 9/3/2025

Reference Information

CVE: CVE-2025-20335, CVE-2025-20336

CWE: 200, 284

CISCO-SA: cisco-sa-phone-write-g3kcC5Df

IAVA: 2025-A-0655

CISCO-BUG-ID: CSCwn51677, CSCwn51679, CSCwn52909, CSCwn52910, CSCwn52911, CSCwn52913, CSCwn52919, CSCwn52920, CSCwn52921, CSCwn52922, CSCwn55709, CSCwn55710, CSCwn55712, CSCwn55714, CSCwn55725, CSCwn55726, CSCwn55727, CSCwn55728

Detections

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