Detections
Analytics
Cisco Webex Meetings Token Handling Unauthorized Access (cisco-sa-webex-token-zPvEjKN)
critical Nessus Plugin ID 139544
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Synopsis
The remote device is missing a vendor-supplied security patchDescription
According to its self-reported version, Cisco Webex Meetings is affected by an authorization bypass vulnerability due to improper handling of authentication tokens. An unauthenticated, remote attacker can exploit this, by sending specially crafted requests, to gain the privileges of another registered application user.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 CSCvu41048 & CSCvu43189See Also
http://www.nessus.org/u?3bfcc08c
Plugin Details
Severity: Critical
ID: 139544
File Name: cisco-sa-webex-token-zPvEjKN.nasl
Version: 1.3
Type: local
Agent: windows
Family: Windows
Published: 8/12/2020
Updated: 6/29/2021
Configuration: Enable paranoid mode
Supported Sensors: Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 5.9
CVSS v2
Risk Factor: High
Base Score: 7.5
Temporal Score: 5.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS Score Source: CVE-2020-3361
CVSS v3
Risk Factor: Critical
Base Score: 9.8
Temporal Score: 8.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/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: Settings/ParanoidReport, 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-2020-3361