What’s Vulnerable › Vulnerabilities

CVE-2016-9338

• Severity: low (CVSS 2.7 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-02-13 · updated 2026-06-17

Description

An issue was discovered in Rockwell Automation Allen-Bradley MicroLogix 1100 controller 1763-L16AWA, Series A and B, Version 14.000 and prior versions; 1763-L16BBB, Series A and B, Version 14.000 and prior versions; 1763-L16BWA, Series A and B, Version 14.000 and prior versions; and 1763-L16DWD, Series A and B, Version 14.000 and prior versions. Because of an Incorrect Permission Assignment for Critical Resource, users with administrator privileges may be able to remove all administrative users requiring a factory reset to restore ancillary web server function. Exploitation of this vulnerability will still allow the affected device to function in its capacity as a controller.

Affected products

• Rockwellautomation 1763-L16Awa Series A: through 14.000
• Rockwellautomation 1763-L16Awa Series B: through 14.000
• Rockwellautomation 1763-L16Bbb Series A: through 14.000
• Rockwellautomation 1763-L16Bbb Series B: through 14.000
• Rockwellautomation 1763-L16Bwa Series A: through 14.000
• Rockwellautomation 1763-L16Bwa Series B: through 14.000
• Rockwellautomation 1763-L16Dwd Series A: through 14.000
• Rockwellautomation 1763-L16Dwd Series B: through 14.000
• Rockwellautomation 1766-L32Awa Series A: through 15.004
• Rockwellautomation 1766-L32Awa Series B: through 15.004
• Rockwellautomation 1766-L32Awaa Series A: through 15.004
• Rockwellautomation 1766-L32Awaa Series B: through 15.004
• Rockwellautomation 1766-L32Bwa Series A: through 15.004
• Rockwellautomation 1766-L32Bwa Series B: through 15.004
• Rockwellautomation 1766-L32Bwaa Series A: through 15.004
• Rockwellautomation 1766-L32Bwaa Series B: through 15.004
• Rockwellautomation 1766-L32Bxb Series A: through 15.004
• Rockwellautomation 1766-L32Bxb Series B: through 15.004
• Rockwellautomation 1766-L32Bxba Series A: through 15.004
• Rockwellautomation 1766-L32Bxba Series B: through 15.004

References

• http://www.securityfocus.com/bid/95302
• https://ics-cert.us-cert.gov/advisories/ICSA-16-336-06
• http://www.securityfocus.com/bid/95302
• https://ics-cert.us-cert.gov/advisories/ICSA-16-336-06

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