CVE-2019-1752 HIGH

CVE-2019-1752: Cisco IOS and IOS XE Software ISDN Interface Denial of Service Vulnerability

Vendor Cisco
Product Cisco IOS and IOS XE Software
Weakness CWE-20 · Input validation
Published March 28, 2019
Last update September 17, 2024
View on NVD All CVEs

CVSS base score

8.6/10
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:C/C:N/I:N/A:H

What the vulnerability does

01Description

A vulnerability in the ISDN functions of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause the device to reload. The vulnerability is due to incorrect processing of specific values in the Q.931 information elements. An attacker could exploit this vulnerability by calling the affected device with specific Q.931 information elements being present. An exploit could allow the attacker to cause the device to reload, resulting in a denial of service (DoS) condition on an affected device.

Key dates

02Disclosure timeline

March 28, 2019 CVE published
September 17, 2024 Record updated