Cisco Expressway Series / TelePresence VCS Multiple Vulnerabilities (cisco-sa-expressway-filewrite-bsFVwueV)

high Nessus Plugin ID 161604

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Synopsis

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

Description

Multiple vulnerabilities in the API and web-based management interfaces of Cisco Expressway Series and Cisco TelePresence Video Communication Server (VCS) could allow an authenticated, remote attacker to write files or disclose sensitive information on an affected device, as follows:

- An authenticated, remote attacker with read write privileges can exploit a vulnerability in the cluster database API in order to disclose sensitive information and cause a partial denial of service.
(CVE-2022-20806)

- An authenticated, remote attacker with read write privileges can exploit a vulnerability in the file-parsing logic in order to disclose sensitive information. (CVE-2022-20807)

- An authenticated, remote attacker can exploit a vulnerability in the logging component in order to disclose sensitive information. (CVE-2022-20809)

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

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to the relevant fixed version referenced in Cisco bug IDs CSCvz71486, CSCwa25061, CSCwa25106

Plugin Details

Severity: High

ID: 161604

File Name: cisco-sa-expressway-filewrite-bsFVwueV.nasl

Version: 1.6

Type: remote

Family: CISCO

Published: 5/27/2022

Updated: 10/11/2022

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.2

CVSS v2

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.1

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

CVSS Score Source: CVE-2022-20806

CVSS v3

Risk Factor: High

Base Score: 7.1

Temporal Score: 6.2

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

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

Vulnerability Information

CPE: cpe:/h:cisco:telepresence_video_communication_server, cpe:/a:cisco:telepresence_video_communication_server_software

Required KB Items: Cisco/TelePresence_VCS/Version

Exploit Ease: No known exploits are available

Patch Publication Date: 5/18/2022

Vulnerability Publication Date: 5/18/2022

Reference Information

CVE: CVE-2022-20806, CVE-2022-20807, CVE-2022-20809

CWE: 532, 611, 73

CISCO-SA: cisco-sa-expressway-filewrite-bsFVwueV

IAVA: 2022-A-0218-S

CISCO-BUG-ID: CSCvz71486, CSCwa25061, CSCwa25106

Detections

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