CWE
79
Advisory Published
Updated

CVE-2018-0242: XSS

First published: Thu Apr 19 2018(Updated: )

A vulnerability in the WebVPN web-based management interface of Cisco Adaptive Security Appliance could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the web-based management interface of an affected device. The vulnerability is due to insufficient validation of user-supplied input by the web-based management interface of an affected device. An attacker could exploit this vulnerability by persuading a user of the interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the interface or allow the attacker to access sensitive browser-based information. Cisco Bug IDs: CSCvg33985.

Credit: ykramarz@cisco.com ykramarz@cisco.com

Affected SoftwareAffected VersionHow to fix
Cisco Adaptive Security Appliance Software=9.1\(7.245\)
Cisco Adaptive Security Appliance Software=9.6\(3\)
Cisco Adaptive Security Appliance Software=9.8\(1\)
Cisco Adaptive Security Appliance Software=9.8\(2\)
Cisco ASA 5506-X
Cisco Asa 5506h-x
Cisco Asa 5506w-x
Cisco Asa 5508-x
Cisco Asa 5512-x
Cisco Asa 5515-x
Cisco Asa 5516-x
Cisco Asa 5525-x
Cisco Asa 5545-x
Cisco Asa 5585-x

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Frequently Asked Questions

  • What is CVE-2018-0242?

    CVE-2018-0242 is a vulnerability in the WebVPN web-based management interface of Cisco Adaptive Security Appliance.

  • How does CVE-2018-0242 impact Cisco ASA software versions 9.1(7.245), 9.6(3), 9.8(1), and 9.8(2)?

    CVE-2018-0242 allows an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the web-based management interface.

  • What is the severity of CVE-2018-0242?

    CVE-2018-0242 has a severity rating of 6.1 (medium).

  • How can I fix CVE-2018-0242?

    To fix CVE-2018-0242, it is recommended to upgrade to a version of Cisco Adaptive Security Appliance software that is not affected.

  • Where can I find more information about CVE-2018-0242?

    More information about CVE-2018-0242 can be found on the Cisco Security Advisory page and SecurityFocus Bid and SecurityTracker ID links.

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