#VU34074 Improper access control in Cisco Webex Meetings - CVE-2020-3413

Vulnerability identifier: #VU34074

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-2020-3413

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 deletion of meeting templates that belong to other users in organisation. A remote authenticated user can send a specially crafted request and delete templates that belong to 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-smtdelete-gJDurOgR
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.