CVE-2019-12669 MEDIUM

CVE-2019-12669: Cisco IOS and IOS XE Software Change of Authorization Denial of Service Vulnerability

Vendor Cisco
Product Cisco IOS XE Software 3.2.9SG
Weakness CWE-20 · Input validation
Published September 25, 2019
Last update November 21, 2024

CVSS base score

6.8/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

A vulnerability in the RADIUS Change of Authorization (CoA) code of Cisco TrustSec, a feature within Cisco IOS XE 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 a malformed packet. An attacker could exploit this vulnerability by sending a malformed packet to an affected device. A successful exploit could allow the attacker to cause a DoS condition on the affected device.

Key dates

02Disclosure timeline

September 25, 2019 CVE published
November 21, 2024 Record updated