6.3med

CVE-2020-3232

Cisco ASR 920 Series Aggregation Services Router Model 12SZ-IM SNMP Denial of Service Vulnerability

Published 6 y ago · modified 4 mo ago · JSON

CVSS
6.3
v3.0 · CNA
CISA KEV
No
not known exploited
EPSS
1.0%
percentile 64%
Public exploits
0
none known

Summary

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.

CISA SSVC assessment

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
23 mo ago

Exploit prediction (EPSS)

1.03% probability of exploitation in the next 30 days, higher than 64% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
CNA3.06.3CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H
NVD3.17.7CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
CNA3.06.3CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H
NVD2.06.8AV:N/AC:L/Au:S/C:N/I:N/A:C

Affected products

  • Cisco Cisco ASR 920 Series Aggregation Services Router

Classification

Weakness
Technology feeds
Cisco IOS (RSS, critical only)

References

  • tools.cisco.com /security/center/content/CiscoSecurityAdvisory/cisco-sa-asr920-ABjcLmef · vendor-advisory, x_refsource_CISCO, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.