CVE-2019-12656 HIGH

CVE-2019-12656: Cisco IOx Application Environment Denial of Service Vulnerability

Vendor Cisco
Product Cisco Industrial Routers Operating System Software
Weakness CWE-20 · Input validation
Published September 25, 2019
Last update November 19, 2024

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

A vulnerability in the IOx application environment of multiple Cisco platforms could allow an unauthenticated, remote attacker to cause the IOx web server to stop processing HTTPS requests, resulting in a denial of service (DoS) condition. The vulnerability is due to a Transport Layer Security (TLS) implementation issue. An attacker could exploit this vulnerability by sending crafted TLS packets to the IOx web server on an affected device. A successful exploit could allow the attacker to cause the IOx web server to stop processing HTTPS requests, resulting in a DoS condition.

Key dates

02Disclosure timeline

September 25, 2019 CVE published
November 19, 2024 Record updated