CVE-2018-0250 Information

Description

A vulnerability in Central Web Authentication (CWA) with FlexConnect Access Points (APs) for Cisco Aironet 1560 1810 1810w 1815 1830 1850 2800 and 3800 Series APs could allow an authenticated adjacent attacker to bypass a configured FlexConnect access control list (ACL). The vulnerability is due to the AP ignoring the ACL download from the client during authentication. An attacker could exploit this vulnerability by connecting to the targeted device with a vulnerable configuration. A successful exploit could allow the attacker to bypass a configured client FlexConnect ACL. This vulnerability affects the following Cisco products if they are running a vulnerable release of Central Web Authentication with FlexConnect Access Points Software: Aironet 1560 Series Access Points Aironet 1810 Series OfficeExtend Access Points Aironet 1810w Series Access Points Aironet 1815 Series Access Points Aironet 1830 Series Access Points Aironet 1850 Series Access Points Aironet 2800 Series Access Points Aironet 3800 Series Access Points. Note: Central Web Authentication with FlexConnect Access Points was an unsupported configuration until 8.5.100.0. Cisco Bug IDs: CSCve17756.

CVSS Vector

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

Reference

http://www.securitytracker.com/id/1040818 https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180502-ap-acl

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

CHANGED

Integrity Impact

NONE

Availability Impact

LOW

Base Score

NONE

Base Severity

4.1