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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2020-6111 Detail

Description

An exploitable denial-of-service vulnerability exists in the IPv4 functionality of Allen-Bradley MicroLogix 1100 Programmable Logic Controller Systems Series B FRN 16.000, Series B FRN 15.002, Series B FRN 15.000, Series B FRN 14.000, Series B FRN 13.000, Series B FRN 12.000, Series B FRN 11.000 and Series B FRN 10.000. A specially crafted packet can cause a major error, resulting in a denial of service. An attacker can send a malicious packet to trigger this vulnerability.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 3.x Severity and Vector Strings:

NIST CVSS score
NIST: NVD
Base Score:  7.5 HIGH
Vector:  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Nist CVSS score does not match with CNA score
CNA:  Talos
Base Score:  7.5 HIGH
Vector:  CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1057 Third Party Advisory 
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1057 Third Party Advisory 
https://us-cert.cisa.gov/ics/advisories/icsa-21-047-02 Third Party Advisory  US Government Resource 
https://us-cert.cisa.gov/ics/advisories/icsa-21-047-02 Third Party Advisory  US Government Resource 

Weakness Enumeration

CWE-ID CWE Name Source
NVD-CWE-noinfo Insufficient Information cwe source acceptance level NIST  
CWE-189 Numeric Errors Talos  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:rockwellautomation:micrologix_1100_b_firmware:10.000:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:rockwellautomation:micrologix_1100_b_firmware:11.000:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:rockwellautomation:micrologix_1100_b_firmware:12.000:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:rockwellautomation:micrologix_1100_b_firmware:13.000:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:rockwellautomation:micrologix_1100_b_firmware:14.000:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:rockwellautomation:micrologix_1100_b_firmware:15.000:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:rockwellautomation:micrologix_1100_b_firmware:15.002:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:rockwellautomation:micrologix_1100_b_firmware:16.000:*:*:*:*:*:*:*
   Show Matching CPE(s)
Running on/with
 cpe:2.3:h:rockwellautomation:micrologix_1100:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

8 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2020-6111
NVD Published Date:
12/03/2020
NVD Last Modified:
11/21/2024
Source:
Talos