PT-2020-2897 · Cisco · Cisco Asr 920 Series Aggregation Services Router+1

Published 2020-06-03 · Updated 2021-10-19 · CVE-2020-3232

Positive Technologies (AI Summary)

CVSS v3.1

7.7

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Cisco ASR 920 Series Aggregation Services Router model ASR920-12SZ-IM (affected versions not specified)

Description The issue is related to the Simple Network Management Protocol (SNMP) implementation, specifically due to incorrect handling of data returned for Cisco Discovery Protocol queries to SNMP. An authenticated, remote attacker could exploit this by sending a request for Cisco Discovery Protocol information using SNMP, potentially causing the device to reload and resulting in a denial of service (DoS) condition.

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

DoS

RCE

Weakness Enumeration

CWE-19

CWE-20

Related Identifiers

BDU:2020-03054

CVE-2020-3232

Affected Products

Cisco Asr 920 Series Aggregation Services Router

Cisco Ios Xe

References · 6

• https://osv.dev/vulnerability/CVE-2020-3232 · Vendor Advisory
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asr920-ABjcLmef · Vendor Advisory
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asr920-ABjcLmef · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-3232 · Security Note
• https://bdu.fstec.ru/vul/2020-03054 · Security Note
• https://t.me/cvenotify/4153 · Telegram Post