Cisco Security Advisory
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AV:N/AC:L/Au:N/C:N/I:P/A:N/E:F/RL:U/RC:C
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A vulnerability in the web framework code of Cisco Transport Gateway for Smart Call Home (TG-SCH) could allow an unauthenticated, remote attacker to make certain changes to the system.
The vulnerability is due to improper implementation of authorization controls when accessing certain administrative web pages of the application. An attacker could exploit this vulnerability by submitting a crafted URL to the affected system.
Cisco has confirmed the vulnerability in a security notice; however, software updates are not available.
To exploit the vulnerability, the attacker may provide a link that directs a user to a malicious site and use misleading language or instructions to persuade the user to follow the provided link.
Cisco indicates through the CVSS score that functional exploit code exists; however, the code is not known to be publicly available.
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Customers are advised to consult Cisco bug ID CSCuq31503 for a complete list of affected product versions.
Vulnerable Products
At the time this alert was first published, Cisco TG-SCH running Transport Gateway Installation Software version 4.0 is vulnerable. Later versions of Transport Gateway Installation Software may also be vulnerable.Products Confirmed Not Vulnerable
No other Cisco products are currently known to be affected by these vulnerabilities.
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Administrators are advised to contact the vendor regarding future updates and releases.
Users are advised not to visit websites or follow links that have suspicious characteristics or cannot be verified as safe.
Administrators are advised to allow only trusted users to have network access.
Administrators are advised to monitor affected systems.
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Software updates are not available.
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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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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 Release NA Final 2014-Aug-28
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