Cisco Webex Meetings Desktop App URL Filtering Arbitrary Program Execution (cisco-sa-webex-client-url-fcmpdfVY)

high Nessus Plugin ID 138018

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Synopsis

The remote videoconferencing software is missing a vendor-supplied security patch

Description

According to its self-reported version, Cisco Webex Meetings Desktop App is affected by a vulnerability due to improper validation of input that is supplied to application URLs. An unauthenticated, remote attacker can exploit this, by persuading a user to follow a malicious URL, in order to execute programs on an affected end-user system.

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

Solution

Upgrade to the relevant fixed version referenced in Cisco bug ID CSCvs52337

Plugin Details

Severity: High

ID: 138018

File Name: cisco-sa-webex-client-url-fcmpdfVY.nasl

Version: 1.2

Type: local

Agent: windows, macosx, unix

Family: CISCO

Published: 7/1/2020

Updated: 7/3/2020

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.6

Temporal Score: 5.6

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

CVSS Score Source: CVE-2020-3263

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

Vulnerability Information

CPE: cpe:/a:cisco:webex_meetings

Required KB Items: installed_sw/Cisco Webex Meetings

Exploit Ease: No known exploits are available

Patch Publication Date: 6/17/2020

Vulnerability Publication Date: 6/17/2020

Reference Information

CVE: CVE-2020-3263

CISCO-SA: cisco-sa-webex-client-url-fcmpdfVY

IAVA: 2020-A-0273

CISCO-BUG-ID: CSCvs52337

Detections

Analytics