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CVE-2019-1796 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CNA: [email protected]CVSS-B:7.4 HIGHVector:CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190417-wlc-iapp	CVE	Vendor Advisory
http://www.securityfocus.com/bid/108008	CVE	Third Party AdvisoryVDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190417-wlc-iapp	[email protected]	Vendor Advisory
http://www.securityfocus.com/bid/108008	[email protected]	Third Party AdvisoryVDB Entry

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-20	Improper Input Validation	[email protected]
CWE-399	Resource Management Errors	[email protected]

Affected Products

Product	Versions
cisco wireless lan controller	< 8.2.170.0
CPE cpe:2.3:a:cisco:wireless_lan_controller:::::::: Remediation No remediation found in references.
cisco wireless lan controller software	>= 8.3.143.0, < 8.5.150.0 >= 8.7.106.0, < 8.8.100.0
CPE cpe:2.3:o:cisco:wireless_lan_controller_software:::::::: Remediation No remediation found in references.

Change History

10 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	CISA-ADP
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Apr 15, 2021	CPE Deprecation Remap	[email protected]
Apr 15, 2021	CPE Deprecation Remap	[email protected]
Oct 13, 2020	Modified Analysis	[email protected]
Oct 9, 2019	CVE Modified	[email protected]
Apr 19, 2019	Initial Analysis	[email protected]
Apr 19, 2019	CVE Modified	[email protected]