CVE-2020-3232
mediumpriority · track · 31EPSS 0.010 · 63 %ileEURUUSEPSS · scored 2026-10-27
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.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- Fixed16.5.1cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed16.5.2cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed16.5.3cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed16.6.1cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed16.6.2cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed16.6.3cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed16.6.4cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed16.7.1cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed16.7.2cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed16.7.3cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed16.8.1cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed16.8.1bcisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed16.8.1ccisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed16.9.1cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed16.9.1acisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed16.9.1bcisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.16.0Scisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.16.10Scisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.16.1aScisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.16.2aScisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.16.3aScisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.16.4Scisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.16.4bScisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.16.5Scisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.16.5aScisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.16.6Scisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.16.6bScisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.16.7Scisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.16.7bScisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.16.8Scisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.16.9Scisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.17.0Scisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.17.1Scisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.17.2Scisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.17.3Scisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.17.4Scisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.18.0Scisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.18.0SPcisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.18.1Scisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.18.1SPcisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.18.1gSPcisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.18.1hSPcisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.18.1iSPcisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.18.2Scisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.18.2SPcisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.18.2aSPcisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.18.3Scisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.18.3SPcisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.18.4Scisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed3.18.4SPcisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco ASR 920 Series Aggregation Services Routercisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.3–7.7
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (119)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- cisco-sa-asr920-ABjcLmefCisco ASR 920 Series Aggregation Services Router Model 12SZ-IM SNMP Denial of Service Vulnerability2020-06-03csaf · cisco_csafUS
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. Cisco has released software updates that address this vulnerability. There are workarounds that address this vulnerability. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asr920-ABjcLmef ["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asr920-ABjcLmef"]
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (6)
External citations — patches, advisories, analysis.
- https://nvd.nist.gov/vuln/detail/CVE-2020-3232cnnvd
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asr920-ABjcLmefcnnvd
- https://vigilance.fr/vulnerability/Cisco-ASR-920-denial-of-service-via-SNMP-32409cnnvd
- https://www.auscert.org.au/bulletins/ESB-2020.1942/cnnvd
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asr920-ABjcLmefenisa_euvd
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asr920-ABjcLmefPatchVendor Advisorynvd
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