CVE-2017-7903: Weak Encryption
A Weak Password Requirements 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. The affected products use a numeric password with a small maximum character size for the password.
Affected Software
Remediation
Patch Available
Event History
Frequently Asked Questions
What is the severity of CVE-2017-7903?
CVE-2017-7903 has a medium severity rating due to weak password requirements that could allow unauthorized access.
How do I fix CVE-2017-7903?
To fix CVE-2017-7903, implement stronger password policies and update the affected Rockwell Automation devices to a version beyond 16.00.
Which devices are affected by CVE-2017-7903?
CVE-2017-7903 affects Rockwell Automation Allen-Bradley MicroLogix 1100 models 1763-L16AWA, 1763-L16BBB, and 1763-L16BWA, Series A and B, in versions 16.00 and prior.
What risks are associated with CVE-2017-7903?
The risks associated with CVE-2017-7903 include potential unauthorized access and control of industrial processes due to weak password protections.
Is CVE-2017-7903 a common vulnerability?
Yes, CVE-2017-7903 is indicative of common vulnerabilities involving weak password practices in industrial control systems.