CVE-2018-15395 Information

Description

A vulnerability in the authentication and authorization checking mechanisms of Cisco Wireless LAN Controller (WLC) Software could allow an authenticated adjacent attacker to gain network access to a Cisco TrustSec domain. Under normal circumstances this access should be prohibited. The vulnerability is due to the dynamic assignment of Security Group Tags (SGTs) during a wireless roam from one Service Set Identifier (SSID) to another within the Cisco TrustSec domain. An attacker could exploit this vulnerability by attempting to acquire an SGT from other SSIDs within the domain. Successful exploitation could allow the attacker to gain privileged network access that should be prohibited under normal circumstances.

CVSS Vector

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

Reference

http://www.securityfocus.com/bid/105676 http://www.securitytracker.com/id/1041925 https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-wlan-escalation

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

5.4