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ciscoCiscoCISCO-SA-20160420-BDOS
HistoryApr 20, 2016 - 4:00 p.m.

Cisco Wireless LAN Controller Denial of Service Vulnerability

2016-04-2016:00:00
tools.cisco.com
8

7.8 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:N/I:N/A:C

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

0.002 Low

EPSS

Percentile

55.5%

A vulnerability in the Bonjour task manager of Cisco Wireless LAN Controller (WLC) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.

The vulnerability is due to improper handling of Bonjour traffic by the affected software. An attacker could exploit this vulnerability by sending crafted Bonjour traffic to an affected device. A successful exploit could allow the attacker to cause the device to reload, 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-20160420-bdos[“https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160420-bdos”]

Affected configurations

Vulners
Node
ciscowireless_lan_controllerMatch7.4
OR
ciscowireless_lan_controllerMatch7.5
OR
ciscowireless_lan_controllerMatch7.6
OR
ciscowireless_lan_controllerMatch8.0
OR
ciscowireless_lan_controllerMatch7.4.100.0
OR
ciscowireless_lan_controllerMatch7.4.100.60
OR
ciscowireless_lan_controllerMatch7.4.110.0
OR
ciscowireless_lan_controllerMatch7.4.121.0
OR
ciscowireless_lan_controllerMatch7.5.102.0
OR
ciscowireless_lan_controllerMatch7.5.102.11
OR
ciscowireless_lan_controllerMatch7.6.100.0
OR
ciscowireless_lan_controllerMatch7.6.120.0
OR
ciscowireless_lan_controllerMatch7.6.110.0
OR
ciscowireless_lan_controllerMatch7.6.130.0
OR
ciscowireless_lan_controllerMatch7.6.1.62
OR
ciscowireless_lan_controllerMatch8.0.100.0

7.8 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:N/I:N/A:C

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

0.002 Low

EPSS

Percentile

55.5%

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