CVE-2019-1746 - CVE House
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Status published High CVE-2019-1746

Cisco IOS and IOS XE Software Cluster Management Protocol Denial of Service Vulnerability

Vulnerability Description

A vulnerability in the Cluster Management Protocol (CMP) processing code in Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to trigger a denial of service (DoS) condition on an affected device. The vulnerability is due to insufficient input validation when processing CMP management packets. An attacker could exploit this vulnerability by sending malicious CMP management packets to an affected device. A successful exploit could cause the switch to crash, resulting in a DoS condition. The switch will reload automatically.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

Affected Software

Cisco IOS and IOS XE Software
Vulnerable Versions:
3.2.0SG, 3.2.1SG, 3.2.2SG, 3.2.3SG, 3.2.4SG, 3.2.5SG, 3.2.6SG, 3.2.7SG, 3.2.8SG, 3.2.9SG, 3.2.10SG, 3.2.11SG, 3.3.0SG, 3.3.2SG, 3.3.1SG, 3.3.0XO, 3.3.1XO, 3.3.2XO, 3.4.0SG, 3.4.2SG, 3.4.1SG, 3.4.3SG, 3.4.4SG, 3.4.5SG, 3.4.6SG, 3.4.7SG, 3.4.8SG, 3.5.0E, 3.5.1E, 3.5.2E, 3.5.3E, 3.10.4S, 3.12.0aS, 3.6.0E, 3.6.1E, 3.6.0aE, 3.6.0bE, 3.6.2aE, 3.6.2E, 3.6.3E, 3.6.4E, 3.6.5E, 3.6.6E, 3.6.5aE, 3.6.5bE, 3.6.7E, 3.6.8E, 3.6.7aE, 3.6.7bE, 3.6.9E, 3.6.10E, 3.3.0SQ, 3.3.1SQ, 3.4.0SQ, 3.4.1SQ, 3.7.0E, 3.7.1E, 3.7.2E, 3.7.3E, 3.7.4E, 3.7.5E, 3.5.0SQ, 3.5.1SQ, 3.5.2SQ, 3.5.3SQ, 3.5.4SQ, 3.5.5SQ, 3.5.6SQ, 3.5.7SQ, 3.5.8SQ, 3.16.1S, 3.16.0bS, 3.16.10S, 3.8.0E, 3.8.1E, 3.8.2E, 3.8.3E, 3.8.4E, 3.8.5E, 3.8.5aE, 3.8.6E, 3.8.7E, 3.9.0E, 3.9.1E, 3.9.2E, 3.9.2bE, 16.9.2h, 3.10.0E, 3.10.1E, 3.10.0cE, 3.10.1aE, 3.10.1sE, 16.12.1

Timeline

Official Publish: March 27th, 2019
Last Modified: November 21st, 2024
Added to House: July 20th, 2026

CVSS Vectors

V3: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Weaknesses (CWE)