Skip to content
OpenAdvisories
High · 7.7 CVE-2021-1623 EUVD-2021-7090GHSA-x762-73p7-hfjc

Cisco IOS XE Software for Cisco cBR-8 Converged Broadband Routers Simple Network Management Protocol Denial of Service Vulnerability

Published Sep 23, 2021 · Updated Nov 7, 2024 · Assigned by cisco

Description

A vulnerability in the Simple Network Management Protocol (SNMP) punt handling function of Cisco cBR-8 Converged Broadband Routers could allow an authenticated, remote attacker to overload a device punt path, resulting in a denial of service (DoS) condition. This vulnerability is due to the punt path being overwhelmed by large quantities of SNMP requests. An attacker could exploit this vulnerability by sending a large number of SNMP requests to an affected device. A successful exploit could allow the attacker to overload the device punt path, resulting in a DoS condition.

Affected products

VendorProductAffectedFixed
Cisco Cisco IOS XE Software — —

References