PT-2019-1707 · Cisco · Cisco Ios+1

Published 2019-03-27 · Updated 2019-10-09 · CVE-2019-1746

Positive Technologies (AI Summary)

CVSS v3.1

7.4

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Cisco IOS Software and Cisco IOS XE Software (affected versions not specified)

Description A vulnerability in the Cluster Management Protocol (CMP) processing code 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.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

RCE

Weakness Enumeration

CWE-20

Related Identifiers

BDU:2019-01318

CVE-2019-1746

Affected Products

Cisco Ios

Cisco Ios Xe

References · 5

• https://osv.dev/vulnerability/CVE-2019-1746 · Vendor Advisory
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190327-cmp-dos · Vendor Advisory
• https://bdu.fstec.ru/vul/2019-01318 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2019-1746 · Security Note
• http://securityfocus.com/bid/107612 · Note