A vulnerability, which was classified as critical, was found in Cisco Webex Meetings and WebEx Meetings Server (Unified Communication Software) (the affected version is unknown). This affects an unknown code. The manipulation as part of a Request leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

A vulnerability in Cisco Webex Meetings and Cisco Webex Meetings Server could allow an unauthenticated, remote attacker to gain unauthorized access to a vulnerable Webex site. The vulnerability is due to improper handling of authentication tokens by a vulnerable Webex site. An attacker could exploit this vulnerability by sending crafted requests to a vulnerable Cisco Webex Meetings or Cisco Webex Meetings Server site. If successful, the attacker could gain the privileges of another user within the affected Webex site.

The weakness was shared 06/18/2020 as cisco-sa-webex-token-zPvEjKN as confirmed advisory (Website). The advisory is shared at tools.cisco.com. This vulnerability is uniquely identified as CVE-2020-3361 since 12/12/2019. The exploitability is told to be difficult. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

Upgrading eliminates this vulnerability.

Productinfo

Type

• Unified Communication Software

Vendor

• Cisco

Name

• Webex Meetings
• WebEx Meetings Server

License

• commercial

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