#VU34073 Improper access control in Cisco Webex Meetings - CVE-2020-3412

Vulnerability identifier: #VU34073

Vulnerability risk: Low

CVSSv4.0: 5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-3412

CWE-ID: CWE-284

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Cisco Webex Meetings
Server applications / Conferencing, Collaboration and VoIP solutions

Vendor: Cisco Systems, Inc

Description

The vulnerability allows a remote user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions that allows creation of meeting templates that belong to other users. A remote authenticated user can send a specially crafted request and create templates for other users.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Cisco Webex Meetings: 39.5.17 - 40.6.2

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External links
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-smtcreate-YmuD5...
https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvu45984

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.