CWE
79
Advisory Published
Updated

CVE-2021-1490: Cisco Web Security Appliance Cross-Site Scripting Vulnerability

First published: Thu May 06 2021(Updated: )

A vulnerability in the web-based management interface of Cisco AsyncOS for Cisco Web Security Appliance (WSA) could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the interface of an affected device. This vulnerability is due to improper validation of user-supplied input in the web-based management interface. An attacker could exploit this vulnerability by persuading a user to retrieve a crafted file that contains malicious payload and upload it to the affected device. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information.

Credit: ykramarz@cisco.com

Affected SoftwareAffected VersionHow to fix
Cisco Web Security Appliance<14.0

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Frequently Asked Questions

  • What is the vulnerability ID for this Cisco Web Security Appliance vulnerability?

    The vulnerability ID for this Cisco Web Security Appliance vulnerability is CVE-2021-1490.

  • What is the severity of CVE-2021-1490?

    The severity of CVE-2021-1490 is medium.

  • What is the affected software for CVE-2021-1490?

    The affected software for CVE-2021-1490 is Cisco Web Security Appliance version up to 14.0.

  • What is the vulnerability description of CVE-2021-1490?

    CVE-2021-1490 is a cross-site scripting (XSS) vulnerability in the web-based management interface of Cisco AsyncOS for Cisco Web Security Appliance (WSA).

  • How can I fix CVE-2021-1490?

    To fix CVE-2021-1490, users should apply the necessary updates and patches provided by Cisco.

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