CVE-2020-3232

HIGH

Cisco IOS XE - Authenticated Denial of Service via SNMP Cisco Discovery Protocol Query

Title source: llm
STIX 2.1

Description

A vulnerability in the Simple Network Management Protocol (SNMP) implementation in Cisco ASR 920 Series Aggregation Services Router model ASR920-12SZ-IM could allow an authenticated, remote attacker to cause the device to reload. The vulnerability is due to incorrect handling of data that is returned for Cisco Discovery Protocol queries to SNMP. An attacker could exploit this vulnerability by sending a request for Cisco Discovery Protocol information by using SNMP. An exploit could allow the attacker to cause the affected device to reload, resulting in a denial of service (DoS) condition.

References (1)

Core 1
Core References

Scores

CVSS v3 7.7
EPSS 0.0033
EPSS Percentile 56.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-19
Status published
Products (50)
cisco/ios_xe 3.16.0s
cisco/ios_xe 3.16.1as
cisco/ios_xe 3.16.2as
cisco/ios_xe 3.16.3as
cisco/ios_xe 3.16.4bs
cisco/ios_xe 3.16.4s
cisco/ios_xe 3.16.5as
cisco/ios_xe 3.16.5s
cisco/ios_xe 3.16.6bs
cisco/ios_xe 3.16.6s
... and 40 more
Published Jun 03, 2020
Tracked Since Feb 18, 2026