CVE-2016-9338
An issue was discovered in Rockwell Automation Allen-Bradley MicroLogix 1100 controller 1763...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- Low
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2016-9338- CVSS 3.0
- 2.7 Low
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L - CVSS 2.0
- 4.0 Medium
AV:N/AC:L/Au:S/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2016-9338- Updated
- 2026-11-02
EUVDEUVD-2016-10148 No score
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.
- Record
EUVD-2016-10148- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6cm5-532j-c584
An issue was discovered in Rockwell Automation Allen-Bradley MicroLogix 1100 controller 1763...
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.
- Record
GHSA-6cm5-532j-c584- CVSS 3.0
- 2.7 Low
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L - Updated
- 2026-11-02
Affected products
- rockwellautomation 1763-l16awa series a
- rockwellautomation 1763-l16awa series b
- rockwellautomation 1763-l16bbb series a
- rockwellautomation 1763-l16bbb series b
- rockwellautomation 1763-l16bwa series a
- rockwellautomation 1763-l16bwa series b
- rockwellautomation 1763-l16dwd series a
- rockwellautomation 1763-l16dwd series b
- rockwellautomation 1766-l32awa series a
- rockwellautomation 1766-l32awa series b
- rockwellautomation 1766-l32awaa series a
- rockwellautomation 1766-l32awaa series b
Show 8 moreShow less
- rockwellautomation 1766-l32bwa series a
- rockwellautomation 1766-l32bwa series b
- rockwellautomation 1766-l32bwaa series a
- rockwellautomation 1766-l32bwaa series b
- rockwellautomation 1766-l32bxb series a
- rockwellautomation 1766-l32bxb series b
- rockwellautomation 1766-l32bxba series a
- rockwellautomation 1766-l32bxba series b
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2016-9338 is a low vulnerability (CVSS 2.7) in Rockwellautomation 1763-l16awa Series A, published February 13, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.45%, the 84th percentile. No source names a fixed version.