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CVE-2017-7898

Published: Jun 30, 2017Updated: Jun 3, 2026 Sources: CVE List NVD csafCWE-307
NVD MITRE
9.8CVSSCRITICAL
EPSS Score
5.1%
Top 8.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

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

CWE-307

Affected Products

Rockwell Automation Allen-Bradley MicroLogix 1100 and 1400n/a
1763-l16awa series arockwellautomationICS / OT / IoT
1763-l16awa series brockwellautomationICS / OT / IoT
1763-l16bbb series arockwellautomationICS / OT / IoT
1763-l16bbb series brockwellautomationICS / OT / IoT
rockwellautomationcommercialUSICS / OT / IoTaka rockwell automation
and 16 more affected products View all →

Exploitability

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

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

MITRE ATT&CK

1 technique
Credential Access
View detailed technique mapping

References

http://www.securitytracker.com/id/1038546
securitytracker.com
https://ics-cert.us-cert.gov/advisories/ICSA-17-115-04
ics-cert.us-cert.gov
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2017/icsa-17-115-04.json
raw.githubusercontent.com
and 10 more references View all →

Timeline

Published
Jun 30, 2017
Last Updated
Jun 3, 2026

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