A vulnerability, which was classified as critical, was found in Cisco Webex Business Suite up to 39.0 (Unified Communication Software). Affected is an unknown code. The manipulation as part of a Host Header leads to a data authenticity vulnerability. CWE is classifying the issue as CWE-345. The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Cisco Webex Business Suite before 39.1.0 contains a vulnerability that could allow an unauthenticated, remote attacker to affect the integrity of the application. The vulnerability is due to improper validation of host header values. An attacker with a privileged network position, either a man-in-the-middle or by intercepting wireless network traffic, could exploit this vulnerability to manipulate header values sent by a client to the affected application. The attacker could cause the application to use input from the header to redirect a user from the Cisco Webex Meetings Online site to an arbitrary site of the attacker's choosing.

The weakness was released 04/13/2020 (Website). The advisory is available at quickview.cloudapps.cisco.com. This vulnerability is traded as CVE-2019-1866 since 12/06/2018. The exploitability is told to be difficult. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available.

Upgrading to version 39.1.0 eliminates this vulnerability.

Productinfo

Type

• Unified Communication Software

Vendor

• Cisco

Name

• Webex Business Suite

Version

• 39.0

License

• commercial

Support

• end of life (old version)

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CPE 2.2info

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