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Cisco Wireless LAN Controller HTTP Parsing Engine Denial of Service Vulnerability

cisco-sa-20191106-wlc-dos · High · Published · Updated

A vulnerability in the web interface of Cisco Wireless LAN Controller Software could allow a low-privileged, authenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability exists due to a failure of the HTTP parsing engine to handle specially crafted URLs. An attacker could exploit this vulnerability by authenticating with low privileges to an affected controller and submitting the crafted URL to the web interface of the affected device. Conversely, an unauthenticated attacker could exploit this vulnerability by persuading a user of the web interface to click the crafted URL. A successful exploit could allow the attacker to cause an unexpected restart of the device, resulting in a DoS condition. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.This advisory is available at the following link:https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20191106-wlc-dos

Cisco advisory ·CSAF JSON

Workarounds

There are no workarounds that address this vulnerability.

CVEsCVE-2019-15276
Cisco Bug IDsCSCvp92098
CVSS ScoreBase 7.7
Base 7.7 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:X/RL:X/RC:X
Product Names From Source
Cisco Wireless LAN Controller (WLC) 8.5.103.0, Cisco Wireless LAN Controller (WLC) 8.5.105.0, Cisco Wireless LAN Controller (WLC) 8.5.110.0, Cisco Wireless LAN Controller (WLC) 8.5.120.0, Cisco Wireless LAN Controller (WLC) 8.5.131.0, Cisco Wireless LAN Controller (WLC) 8.5.135.0, Cisco Wireless LAN Controller (WLC) 8.5.140.0, Cisco Wireless LAN Controller (WLC) 8.5.151.0, Cisco Wireless LAN Controller (WLC) 8.4.100.0, Cisco Wireless LAN Controller (WLC) 8.6.101.0, Cisco Wireless LAN Controller (WLC) 8.7.102.0, Cisco Wireless LAN Controller (WLC) 8.7.106.0, Cisco Wireless LAN Controller (WLC) 8.8.100.0, Cisco Wireless LAN Controller (WLC) 8.8.111.0, Cisco Wireless LAN Controller (WLC) 8.8.120.0, Cisco Wireless LAN Controller (WLC) 8.8.125.0, Cisco Wireless LAN Controller (WLC) 8.9.100.0, Cisco Wireless LAN Controller (WLC) 8.9.111.0, Cisco Wireless LAN Controller (WLC)

Related Products

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Cisco Wireless LAN Controller (WLC) CVE-2019-15276 Cisco OpenVuln