CVE-2017-7898

CRITICAL
9.8
CVSS Score
Published: June 30, 2017 at 02:35 AM UTC
Updated: June 17, 2026 at 01:25 AM UTC
24 products affected across 1 vendor1763-l16bwa Series B1763-l16bwa Series a1763-l16bbb Series a

Using Rockwell Automation Allen-Bradley MicroLogix 1100 and 1400 by N/A?

Get instant alerts when new vulnerabilities affect Rockwell Automation Allen-Bradley MicroLogix 1100 and 1400 - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
CRITICAL9.8
Exploit prediction
EPSS 5%
SSVC
No known exploit

Description

An Improper Restriction of Excessive Authentication Attempts issue was discovered in Rockwell Automation Allen-Bradley MicroLogix 1100 programmable-logic controllers 1763-L16AWA, Series A and B, Version 16.00 and prior versions; 1763-L16BBB, Series A and B, Version 16.00 and prior versions; 1763-L16BWA, Series A and B, Version 16.00 and prior versions; and 1763-L16DWD, Series A and B, Version 16.00 and prior versions and Allen-Bradley MicroLogix 1400 programmable logic controllers 1766-L32AWA, Series A and B, Version 16.00 and prior versions; 1766-L32BWA, Series A and B, Version 16.00 and prior versions; 1766-L32BWAA, Series A and B, Version 16.00 and prior versions; 1766-L32BXB, Series A and B, Version 16.00 and prior versions; 1766-L32BXBA, Series A and B, Version 16.00 and prior versions; and 1766-L32AWAA, Series A and B, Version 16.00 and prior versions. There are no penalties for repeatedly entering incorrect passwords.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 16.000
rockwellautomation-ab-micrologix-controller (environment)
v ≤ 16.000
rockwellautomation-ab-micrologix-controller (environment)
v ≤ 16.000
rockwellautomation-ab-micrologix-controller (environment)
v ≤ 16.000
rockwellautomation-ab-micrologix-controller (environment)
v ≤ 16.000
rockwellautomation-ab-micrologix-controller (environment)
v ≤ 16.000
rockwellautomation-ab-micrologix-controller (environment)
v ≤ 16.000
rockwellautomation-ab-micrologix-controller (environment)
v ≤ 16.000
rockwellautomation-ab-micrologix-controller (environment)
v ≤ 16.000
rockwellautomation-ab-micrologix-controller (environment)
v ≤ 16.000
rockwellautomation-ab-micrologix-controller (environment)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (2)

x_refsource_MISCPatchThird Party AdvisoryUS Government Resource
https://ics-cert.us-cert.gov/advisories/ICSA-17-115-04

SSVC — Action Prioritization

SSVCNo known exploitAutomatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

9.8CRITICALCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-307

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card