Cisco Security Advisory
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AV:N/AC:M/Au:N/C:N/I:P/A:N/E:F/RL:U/RC:C
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A vulnerability in the web management interface of multiple Cisco products could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the web interface on the affected system.
The vulnerability is due to insufficient input validation of a parameter. An attacker could exploit this vulnerability by convincing the user to access a malicious link.
Cisco has confirmed the vulnerability; 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 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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Cisco has released bug IDs CSCuu37430, CSCuu37420, CSCut71981, and CSCuv50167 for registered users, which contain additional details and up-to-date lists of affected product versions.
Vulnerable Products
At the time this alert was first published, the following Cisco products and releases were vulnerable:
- Cisco Web Security Appliance (WSA) 9.0.0-193
- Cisco Email Security Appliance (ESA) 8.5.6-113,9.1.0-032, 9.1.1-000, and 9.6.0-000
- Cisco Content Security Management Appliance (SMA) 9.1.0-033
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 should verify that unsolicited links are safe to follow.
For additional information about XSS attacks and the methods used to exploit these vulnerabilities, see the Cisco Applied Mitigation Bulletin Understanding Cross-Site Scripting (XSS) Threat Vectors.
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 2015-Jul-27
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