CVE-2016-9338

Name: CVE-2016-9338
Creator: NVD / NIST
Published: 2017-02-13T21:59:01.627+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.43%

Last modified Jun 17, 2026

CVE-2016-9338 is a vulnerability of currently unknown severity. 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. EPSS estimates a 2.43% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

2.43%

82.1th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Rockwellautomation	1763-L16awa Series A	<= 14.000
Rockwellautomation	1763-L16awa Series B	<= 14.000
Rockwellautomation	1763-L16bbb Series A	<= 14.000
Rockwellautomation	1763-L16bbb Series B	<= 14.000
Rockwellautomation	1763-L16bwa Series A	<= 14.000
Rockwellautomation	1763-L16bwa Series B	<= 14.000
Rockwellautomation	1763-L16dwd Series A	<= 14.000
Rockwellautomation	1763-L16dwd Series B	<= 14.000
Rockwellautomation	1766-L32awa Series A	<= 15.004
Rockwellautomation	1766-L32awa Series B	<= 15.004
Rockwellautomation	1766-L32awaa Series A	<= 15.004
Rockwellautomation	1766-L32awaa Series B	<= 15.004
Rockwellautomation	1766-L32bwa Series A	<= 15.004
Rockwellautomation	1766-L32bwa Series B	<= 15.004
Rockwellautomation	1766-L32bwaa Series A	<= 15.004
Rockwellautomation	1766-L32bwaa Series B	<= 15.004
Rockwellautomation	1766-L32bxb Series A	<= 15.004
Rockwellautomation	1766-L32bxb Series B	<= 15.004
Rockwellautomation	1766-L32bxba Series A	<= 15.004
Rockwellautomation	1766-L32bxba Series B	<= 15.004

References

http://www.securityfocus.com/bid/95302Third Party Advisory, VDB Entry
https://ics-cert.us-cert.gov/advisories/ICSA-16-336-06Third Party Advisory, US Government Resource
http://www.securityfocus.com/bid/95302Third Party Advisory, VDB Entry
https://ics-cert.us-cert.gov/advisories/ICSA-16-336-06Third Party Advisory, US Government Resource

Timeline

Published: Feb 13, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-9338?

How severe is CVE-2016-9338?

Severity scoring for CVE-2016-9338 is pending analysis. The EPSS model estimates a 2.43% probability of exploitation in the next 30 days.

How do I fix CVE-2016-9338?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-9338?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST