Cisco Security Advisory
Cisco TelePresence Conductor, Cisco Expressway Series, and Cisco TelePresence Video Communication Server REST API Server-Side Request Forgery Vulnerability
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CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N/E:X/RL:X/RC:X
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A vulnerability in the web interface of Cisco TelePresence Conductor, Cisco Expressway Series, and Cisco TelePresence Video Communication Server (VCS) Software could allow an authenticated, remote attacker to trigger an HTTP request from an affected server to an arbitrary host. This type of attack is commonly referred to as server-side request forgery (SSRF).
The vulnerability is due to insufficient access controls for the REST API of Cisco Expressway Series and Cisco TelePresence VCS. An attacker could exploit this vulnerability by submitting a crafted HTTP request to the affected server.
Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
This advisory is available at the following link:
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190206-rest-api-ssrf
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Vulnerable Products
This vulnerability affects Cisco Expressway Series Software, Cisco TelePresence Video Communication Server (VCS) Software, and Cisco TelePresence Conductor Software. For information about affected software releases, consult the Cisco bug ID(s) at the top of this advisory.Products Confirmed Not Vulnerable
Only products listed in the Vulnerable Products section of this advisory are known to be affected by this vulnerability.
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There are no workarounds that address this vulnerability.
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For information about fixed software releases, consult the Cisco bug ID(s) at the top of this advisory.
When considering software upgrades, customers are advised to regularly consult the advisories for Cisco products, which are available from the Cisco Security Advisories and Alerts page, to determine exposure and a complete upgrade solution.
In all cases, customers should ensure that the devices to be upgraded contain sufficient memory and confirm that current hardware and software configurations will continue to be supported properly by the new release. If the information is not clear, customers are advised to contact the Cisco Technical Assistance Center (TAC) or their contracted maintenance providers.
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The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.
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This vulnerability was found during internal security testing.
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To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy. This document also contains instructions for obtaining fixed software and receiving security vulnerability information from Cisco.
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Show LessVersion Description Section Status Date 1.0 Initial public release. - Final 2019-February-06
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