#VU31720 Open redirect in Cisco Webex Meetings and Cisco WebEx Meetings Server - CVE-2020-3345

Vulnerability identifier: #VU31720

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-3345

CWE-ID: CWE-601

Exploitation vector: Network

Exploit availability: No

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

Vendor: Cisco Systems, Inc

Description

The vulnerability allows a remote attacker to redirect victims to arbitrary URL.

The vulnerability exists due to improper checks on parameter values within affected pages. A remote attacker can create a link that leads to a trusted website, however, when clicked, redirects the victim to arbitrary domain.

Successful exploitation of this vulnerability may allow a remote attacker to perform a phishing attack and steal potentially sensitive information.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Cisco Webex Meetings: before 40.6.0

Cisco WebEx Meetings Server: before 4.0 MR3

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External links
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-html-BJ4Y9tX

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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