CVE-2019-1718 Information

Description

A vulnerability in the web interface of Cisco Identity Services Engine (ISE) could allow an unauthenticated remote attacker to trigger high CPU usage resulting in a denial of service (DoS) condition. The vulnerability is due to improper handling of Secure Sockets Layer (SSL) renegotiation requests. An attacker could exploit this vulnerability by sending renegotiation requests at a high rate. An successful exploit could increase the resource usage on the system eventually leading to a DoS condition. This vulnerability affects version 2.1.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

http://www.securityfocus.com/bid/108030 https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190417-ise-ssl-dos

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5