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Cisco AsyncOS Cross-Site Scripting Vulnerability

Cisco-SA-20140609-CVE-2014-3289 · Medium · Published · Updated

A vulnerability in the web management interface of Cisco AsyncOS 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 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.

Cisco advisory ·CSAF JSON

Workarounds

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.

For additional information about cross-site scripting attacks and the methods used to exploit these vulnerabilities, see the Cisco Applied Mitigation Bulletin Understanding Cross-Site Scripting (XSS) Threat Vectorshttp://www.cisco.com/en/US/products/cmb/cisco-amb-20060922-understanding-xss.html .

Administrators may consider using IP-based access control lists (ACLs) to allow only trusted systems to access the affected systems.

Administrators are advised to monitor affected systems.

CVEsCVE-2014-3289
Cisco Bug IDsCSCun07844, CSCun07888, CSCun07998
CVSS ScoreBase 4.3
Base 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N/E:F/RL:U/RC:C
Base 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P/E:F/RL:U/RC:C
Product Names From Source
Cisco Web Security Appliance (WSA), Cisco Email Security Appliance (ESA), Cisco Content Security Management Appliance (SMA), Cisco Secure Email and Web Manager, Cisco Secure Web Appliance

Related Products

Product CVE Evidence
Cisco Web Security Appliance (WSA) CVE-2014-3289 Cisco OpenVuln
Cisco Secure Web Appliance CVE-2014-3289 Cisco OpenVuln
Cisco Secure Email and Web Manager CVE-2014-3289 Cisco OpenVuln
Cisco Secure Email CVE-2014-3289 Cisco OpenVuln
Cisco Email Security Appliance (ESA) CVE-2014-3289 Cisco OpenVuln
Cisco Content Security Management Appliance (SMA) CVE-2014-3289 Cisco OpenVuln