7.7
HIGH
CVE-2020-3232
Cisco ASR 920 Series Aggregation Services Router SNMP Remote Denial of Service (DoS) Reload Vulnerability
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.

INFO

Published Date :

June 3, 2020, 6:15 p.m.

Last Modified :

Oct. 19, 2021, 8:20 p.m.

Remotely Exploitable :

Yes !

Impact Score :

4.0

Exploitability Score :

3.1
Affected Products

The following products are affected by CVE-2020-3232 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Cisco ios_xe
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2020-3232.

URL Resource
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asr920-ABjcLmef Patch Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-3232 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-3232 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Reanalysis by [email protected]

    Oct. 19, 2021

    Action Type Old Value New Value
    Removed CWE NIST CWE-20
    Added CWE NIST NVD-CWE-noinfo
  • Initial Analysis by [email protected]

    Jun. 09, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:S/C:N/I:N/A:C)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
    Changed Reference Type https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asr920-ABjcLmef No Types Assigned https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asr920-ABjcLmef Patch, Vendor Advisory
    Added CWE NIST CWE-20
    Added CPE Configuration AND OR *cpe:2.3:o:cisco:ios_xe:3.16.0s:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:3.16.1as:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:3.16.2as:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:3.16.3as:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:3.16.4bs:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:3.16.4s:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:3.16.5as:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:3.16.5s:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:3.16.6bs:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:3.16.6s:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:3.16.7bs:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:3.16.7s:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:3.16.8s:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:3.16.9s:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:3.16.10s:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:3.17.0s:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:3.17.1s:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:3.17.2s:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:3.17.3s:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:3.17.4s:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:3.18.0s:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:3.18.0sp:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:3.18.1gsp:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:3.18.1hsp:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:3.18.1isp:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:3.18.1s:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:3.18.1sp:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:3.18.2s:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:3.18.2sp:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:3.18.3s:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:3.18.3sp:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:3.18.4s:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:3.18.4sp:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:16.3.10:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:16.5.1:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:16.5.2:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:16.5.3:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:16.6.1:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:16.6.2:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:16.6.3:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:16.6.4:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:16.7.1:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:16.7.2:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:16.7.3:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:16.8.1:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:16.8.1a:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:16.8.1b:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:16.8.1c:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:16.8.1d:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:16.8.1e:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:16.8.1s:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:16.9.1:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:16.9.1a:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:16.9.1b:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:16.9.1c:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:16.9.1d:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:16.9.1s:*:*:*:*:*:*:* OR cpe:2.3:h:cisco:asr_920-12sz-im:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-3232 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2020-3232 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.14 }} 0.01%

score

0.49074

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability