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AUSCERT External Security Bulletin Redistribution
Cisco Telepresence CE Software and RoomOS Software Unauthori
zed Token Generation Vulnerability
19 November 2020
AusCERT Security Bulletin Summary
Product: Cisco Telepresence CE Software and Cisco RoomOS Software
Publisher: Cisco Systems
Operating System: Cisco
Impact/Access: Unauthorised Access -- Existing Account
CVE Names: CVE-2020-26068
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Cisco Telepresence CE Software and RoomOS Software Unauthorized Token
Advisory ID: cisco-sa-tp-uathracc-jWNESUfM
First Published: 2020 November 18 16:00 GMT
Version 1.0: Final
Workarounds: No workarounds available
Cisco Bug IDs: CSCvu31646
CVE Names: CVE-2020-26068
o A vulnerability in the xAPI service of Cisco Telepresence CE Software and
Cisco RoomOS Software could allow an authenticated, remote attacker to
generate an access token for an affected device.
The vulnerability is due to insufficient access authorization. An attacker
could exploit this vulnerability by using the xAPI service to generate a
specific token. A successful exploit could allow the attacker to use the
generated token to enable experimental features on the device that should
not be available to users.
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:
o Vulnerable Products
At the time of publication, this vulnerability affected vulnerable releases
of Cisco Telepresence CE Software or Cisco RoomOS Software.
For information about which Cisco software releases were vulnerable at the
time of publication, see the Fixed Software section of this advisory. See
the Details section in the bug ID(s) at the top of this advisory for the
most complete and current information.
Products Confirmed Not Vulnerable
Only products listed in the Vulnerable Products section of this advisory
are known to be affected by this vulnerability.
o There are no workarounds that address this vulnerability.
o When considering software upgrades , customers are advised to regularly
consult the advisories for Cisco products, which are available from the
Cisco Security Advisories page , to determine exposure and a complete
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
Cisco Telepresence CE Software
At the time of publication, the release information in the following table
was accurate. See the Details section in the bug ID(s) at the top of this
advisory for the most complete and current information.
The left column lists Cisco software releases, and the right column
indicates whether a release was affected by the vulnerability described in
this advisory and which release included the fix for this vulnerability.
Cisco Telepresence Release First Fixed Release
9.13 Not vulnerable.
Cisco RoomOS Software
Cisco has addressed this vulnerability in Cisco RoomOS Software RoomOS July
Drop 1 2020, which is cloud based. No user action is required. Customers
can determine the current remediation status or software version by using
the Help function in the service GUI.
Exploitation and Public Announcements
o 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.
o This vulnerability was found during internal security testing.
Cisco Security Vulnerability Policy
o 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.
| Version | Description | Section | Status | Date |
| 1.0 | Initial public release. | - | Final | 2020-NOV-18 |
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