7.4
CWE
20 399
Advisory Published
Updated

CVE-2019-1800: Cisco Wireless LAN Controller Software IAPP Message Handling Denial of Service Vulnerabilities

First published: Thu Apr 18 2019(Updated: )

A vulnerability in the handling of Inter-Access Point Protocol (IAPP) messages by Cisco Wireless LAN Controller (WLC) Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition. The vulnerability exist because the software improperly validates input on fields within IAPP messages. An attacker could exploit the vulnerability by sending malicious IAPP messages to an affected device. A successful exploit could allow the attacker to cause the Cisco WLC Software to reload, resulting in a DoS condition. Software versions prior to 8.2.170.0, 8.5.150.0, and 8.8.100.0 are affected.

Credit: ykramarz@cisco.com

Affected SoftwareAffected VersionHow to fix
Cisco Wireless LAN Controller<8.2.170.0
Cisco Wireless LAN Controller Software>=8.3<8.5.150.0
Cisco Wireless LAN Controller Software>=8.6<8.8.100.0

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Frequently Asked Questions

  • What is CVE-2019-1800?

    CVE-2019-1800 is a vulnerability in the handling of Inter-Access Point Protocol (IAPP) messages by Cisco Wireless LAN Controller (WLC) Software that could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition.

  • How does CVE-2019-1800 impact Cisco Wireless LAN Controller Software?

    CVE-2019-1800 could potentially cause a denial of service (DoS) condition in Cisco Wireless LAN Controller Software.

  • What is the severity of CVE-2019-1800?

    CVE-2019-1800 has a severity rating of 6.5, which is considered high.

  • How can an attacker exploit CVE-2019-1800?

    An unauthenticated, adjacent attacker can exploit CVE-2019-1800 by sending malicious Inter-Access Point Protocol (IAPP) messages to the vulnerable Cisco Wireless LAN Controller (WLC) Software.

  • Are there any references for CVE-2019-1800?

    Yes, you can find more information about CVE-2019-1800 at the following references: http://www.securityfocus.com/bid/108008, https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190417-wlc-iapp

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