CVE-2020-3232
HIGHCisco IOS XE - Authenticated Denial of Service via SNMP Cisco Discovery Protocol Query
Title source: llmDescription
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
Patch, Vendor Advisory vendor-advisory
x_refsource_cisco
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asr920-ABjcLmef
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