CVE-2021-1623

Published Sep 23, 2021

Last updated a year ago

Overview

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.
Source
ykramarz@cisco.com
NVD status
Modified

Risk scores

CVSS 3.1

Type
Primary
Base score
7.7
Impact score
4
Exploitability score
3.1
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Severity
HIGH

CVSS 2.0

Type
Primary
Base score
4
Impact score
2.9
Exploitability score
8
Vector string
AV:N/AC:L/Au:S/C:N/I:N/A:P

Weaknesses

nvd@nist.gov
NVD-CWE-noinfo
ykramarz@cisco.com
CWE-399

Social media

Hype score
Not currently trending

Configurations