Cisco Unified Communications Manager contains a vulnerability that could allow an unauthenticated, remote attacker to conduct cross-site request forgery attacks. Updates are not available.
A vulnerability in the Enterprise License Manager (ELM) of Cisco Unified Communications Manager (CM) could allow an unauthenticated, remote attacker to perform a cross-site request forgery (CSRF) attack against the ELM web interface.
The vulnerability is due to insufficient CSRF protections on the ELM web interface. An attacker could exploit this vulnerability by convincing an authenticated user of the affected system to follow a malicious link or visit an attacker-controlled website. A successful exploit could allow the attacker to cause changes to ELM on behalf of the user.
Cisco has confirmed this vulnerability in a security notice; however, software updates are not available.
At the time this alert was first published, Cisco Unified Communications Manager version 9.1(1) was vulnerable. Later releases of Cisco Unified Communications Manager may also be affected.
To exploit the vulnerability, the attacker may provide a link to a malicious site and may persuade the user to follow the link by using misleading language and instructions.
Cisco has released a security notice at the following link: CVE-2013-3472
Customers are advised to consult Cisco bug ID CSCui58210 for the most complete list of affected product versions.
An unauthenticated, remote attacker could exploit this vulnerability to conduct CSRF attacks and perform certain unauthorized actions on an affected system on behalf of the targeted user. Successful exploitation could be used to conduct further attacks.
The vulnerability is due to insufficient CSRF protections imposed by the affected software on the ELM web interface.
An unauthenticated, remote attacker could exploit this vulnerability by convincing an authenticated user to visit a malicious website. If successful, the attacker could submit arbitrary requests to the affected device with the privileges of the user. Successful exploitation could be used to conduct further attacks.
Administrators are advised to contact the vendor regarding future updates and releases.
Users are advised not to open email messages from suspicious or unrecognized sources. If users cannot verify that links or attachments included in email messages are safe, they are advised not to open them.
The security vulnerability applies to the following combinations of products.
Cisco Unified Communications Manager
9.1 Base | 9.1(1) Base
The urgency and severity ratings of this alert are not tailored to individual users; users may value alerts differently based upon their network configurations and circumstances. THE ALERT, AND INFORMATION CONTAINED THEREIN, ARE PROVIDED ON AN "AS IS" BASIS AND DO NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. YOUR USE OF THE ALERT, AND INFORMATION CONTAINED THEREIN, OR MATERIALS LINKED FROM THE ALERT, IS AT YOUR OWN RISK. INFORMATION IN THIS ALERT AND ANY RELATED COMMUNICATIONS IS BASED ON OUR KNOWLEDGE AT THE TIME OF PUBLICATION AND IS SUBJECT TO CHANGE WITHOUT NOTICE. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE ALERTS AT ANY TIME.