Detections
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Cisco Video Phone 8875 and Desk Phone 9800 Series Information Disclosure (cisco-sa-phone-info-disc-YyxsWStK)

medium Nessus Plugin ID 216595

Synopsis

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

Description

According to its self-reported version, Cisco Video Phone 8875 and Desk Phone 9800 Series Information Disclosure is affected by a vulnerability.

 - A vulnerability in the debug shell of Cisco Video Phone 8875 and Cisco Desk Phone 9800 Series could allow an authenticated, local attacker to access sensitive information on an affected device. To exploit this vulnerability, the attacker must have valid administrative credentials with SSH access on the affected device. SSH access is disabled by default. This vulnerability is due to insufficient validation of user- supplied input by the debug shell of an affected device. An attacker could exploit this vulnerability by sending a crafted SSH client command to the CLI. A successful exploit could allow the attacker to access sensitive information on the underlying operating system. (CVE-2025-20158)

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 CSCwn51779, CSCwn58742, CSCwn58744

See Also

http://www.nessus.org/u?c4cd3682

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwn51779

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwn58742

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwn58744

Plugin Details

Severity: Medium

ID: 216595

File Name: cisco-sa-phone-info-disc-YyxsWStK.nasl

Version: 1.1

Type: remote

Family: CISCO

Published: 2/21/2025

Updated: 2/21/2025

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.1

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

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

CVSS Score Source: CVE-2025-20158

CVSS v3

Risk Factor: Medium

Base Score: 4.4

Temporal Score: 3.9

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

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: 2/19/2025

Vulnerability Publication Date: 2/19/2025

Reference Information

CVE: CVE-2025-20158

CWE: 200

CISCO-SA: cisco-sa-phone-info-disc-YyxsWStK

IAVA: 2025-A-0117

CISCO-BUG-ID: CSCwn51779, CSCwn58742, CSCwn58744