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CVE-2020-6111

Published: Dec 3, 2020Updated: Nov 21, 2024 Sources: CVE List NVD BDU csafCWE-189
NVD MITRE
7.5CVSSHIGH
EPSS Score
4.6%
Top 9.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-189NVD-CWE-noinfo

Affected Products

Allen-Bradleyn/a
micrologix 1100 b firmwarerockwellautomationICS / OT / IoT
Micrologix 1100Rockwell Automation Inc.ICS / OT / IoT
rockwellautomationcommercialUSICS / OT / IoTaka rockwell automation
rockwell automation inc.commercialUSICS / OT / IoTaka rockwell automation arena, thinmanager, guardlogix 5580

Exploitability

Official Patch Available
No detection template yetWe can run the check for you — a free external exposure review, no install. Check my exposure

References

https://talosintelligence.com/vulnerability_reports/TALOS-2020-1057
talosintelligence.com
https://us-cert.cisa.gov/ics/advisories/icsa-21-047-02
us-cert.cisa.gov
https://www.us-cert.gov/ics/advisories/icsa-21-047-02
us-cert.gov
and 7 more references View all →

Timeline

Published
Dec 3, 2020
Last Updated
Nov 21, 2024

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