CVE-2020-6111
HIGHAllen-Bradley MicroLogix 1100 Series B FRN 10.000-16.000 - Denial of Service via IPv4 Packet
Title source: llmDescription
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.
References (2)
Core 2
Core References
Third Party Advisory x_refsource_misc
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1057
Third Party Advisory, US Government Resource x_refsource_misc
https://us-cert.cisa.gov/ics/advisories/icsa-21-047-02
Scores
CVSS v3
7.5
EPSS
0.0009
EPSS Percentile
25.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-189
Status
published
Products (8)
rockwellautomation/micrologix_1100_b_firmware
10.000
rockwellautomation/micrologix_1100_b_firmware
11.000
rockwellautomation/micrologix_1100_b_firmware
12.000
rockwellautomation/micrologix_1100_b_firmware
13.000
rockwellautomation/micrologix_1100_b_firmware
14.000
rockwellautomation/micrologix_1100_b_firmware
15.000
rockwellautomation/micrologix_1100_b_firmware
15.002
rockwellautomation/micrologix_1100_b_firmware
16.000
Published
Dec 03, 2020
Tracked Since
Feb 18, 2026