Cisco Security Advisory
Cisco Adaptive Security Appliance WebVPN Login Page Cross-Site Scripting Vulnerability
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AV:N/AC:M/Au:N/C:N/I:P/A:N/E:POC/RL:OF/RC:C
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A vulnerability in the WebVPN login page of Cisco Adaptive Security Appliance (ASA) Software could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of WebVPN on the Cisco ASA.
The vulnerability is due to insufficient input validation of a parameter. An attacker could exploit this vulnerability by convincing a user to access a malicious link.
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Product More Information CVSS Cisco Adaptive Security Appliance (ASA) Software CSCun19025 4.3/3.4 What Is a Cisco Security Notice?
The Cisco Product Security Incident Response Team (PSIRT) publishes Cisco Security Notices to inform customers of low- to mid-level severity security issues involving Cisco products.
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There are no workarounds that address this vulnerability.
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Customers who wish to upgrade to a software version that includes fixes for these issues should contact their normal support channels. Free software updates will not be provided for issues that are disclosed through a Cisco Security Notice.
For additional information about Cisco PSIRT publications, see the Cisco Security Vulnerability Policy at https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html
Customers Using Third-Party Support Organizations
Customers may have Cisco products that are provided or maintained through prior or existing agreements with third-party support organizations, such as Cisco Partners, authorized resellers, or service providers. For these products, customers should consult their service providers or support organizations to ensure that any applied workaround or fix is the most appropriate in the intended network before it is deployed.
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In November 2024, the Cisco Product Security Incident Response Team (PSIRT) became aware of additional attempted exploitation of this vulnerability in the wild. Cisco continues to strongly recommend that customers upgrade to a fixed software release to remediate this vulnerability.
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Cisco PSIRT would like to thank Piotr Karolak of Trustwave's SpiderLabs for reporting this vulnerability.
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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 1.1 Update to Exploitation and Public Announcements. Exploitation and Public Announcements Final 2024-DEC-02 1.0 Initial public release. - Final 2014-MAR-18
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