Cisco AnyConnect Secure Mobility Client and Secure Desktop contain a vulnerability that could allow an unauthenticated, remote attacker to to replace software components. Updates are 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.
The execution of the ActiveX control of java applet may require little or no user interaction, depending on the user's browser configuration, because the affected ActiveX controls and Java applets are cryptographically signed by Cisco.
Cisco has corrected this vulnerability by changing the way the WebLaunch component initiation handles downloaded signed code.
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 Multivendor Vulnerability Alerts respond to vulnerabilities identified in third-party vendors' products. These alerts contain information compiled from diverse sources and provide comprehensive technical descriptions, objective analytical assessments, workarounds and practical safeguards, and links to vendor advisories and patches.