{"id":"CVE-2016-9338","aliases":["EUVD-2016-10148","GHSA-6cm5-532j-c584"],"status":"published","title":"An issue was discovered in Rockwell Automation Allen-Bradley MicroLogix 1100 controller 1763...","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.","severity":{"version":"3.0","score":2.7,"vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.02446,"percentile":0.8446,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2017-02-13T21:00:00Z","modified":"2026-06-17T00:55:50Z","products":[{"vendor":"rockwellautomation","product":"1763-l16awa_series_a"},{"vendor":"rockwellautomation","product":"1763-l16awa_series_b"},{"vendor":"rockwellautomation","product":"1763-l16bbb_series_a"},{"vendor":"rockwellautomation","product":"1763-l16bbb_series_b"},{"vendor":"rockwellautomation","product":"1763-l16bwa_series_a"},{"vendor":"rockwellautomation","product":"1763-l16bwa_series_b"},{"vendor":"rockwellautomation","product":"1763-l16dwd_series_a"},{"vendor":"rockwellautomation","product":"1763-l16dwd_series_b"},{"vendor":"rockwellautomation","product":"1766-l32awa_series_a"},{"vendor":"rockwellautomation","product":"1766-l32awa_series_b"},{"vendor":"rockwellautomation","product":"1766-l32awaa_series_a"},{"vendor":"rockwellautomation","product":"1766-l32awaa_series_b"},{"vendor":"rockwellautomation","product":"1766-l32bwa_series_a"},{"vendor":"rockwellautomation","product":"1766-l32bwa_series_b"},{"vendor":"rockwellautomation","product":"1766-l32bwaa_series_a"},{"vendor":"rockwellautomation","product":"1766-l32bwaa_series_b"},{"vendor":"rockwellautomation","product":"1766-l32bxb_series_a"},{"vendor":"rockwellautomation","product":"1766-l32bxb_series_b"},{"vendor":"rockwellautomation","product":"1766-l32bxba_series_a"},{"vendor":"rockwellautomation","product":"1766-l32bxba_series_b"}],"references":[{"url":"https://ics-cert.us-cert.gov/advisories/ICSA-16-336-06","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"http://www.securityfocus.com/bid/95302","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-9338"},{"url":"https://github.com/advisories/GHSA-6cm5-532j-c584"}],"sources":{"cve":[{"id":"CVE-2016-9338","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.","status":"published","published":"2017-02-13T21:00:00Z","modified":"2024-08-06T02:50:36.961Z","updated_at":"2026-11-02T14:33:31.764001Z"}],"euvd":[{"id":"EUVD-2016-10148","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.","status":"published","published":"2017-02-13T21:00:00Z","modified":"2024-08-06T02:50:36Z","updated_at":"2026-11-03T02:22:27.654814Z"}],"ghsa":[{"id":"GHSA-6cm5-532j-c584","title":"An issue was discovered in Rockwell Automation Allen-Bradley MicroLogix 1100 controller 1763...","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.","status":"published","published":"2022-05-17T02:55:05Z","modified":"2023-01-27T05:05:47Z","cvss":[{"version":"3.0","score":2.7,"vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L","level":"low"}],"updated_at":"2026-11-02T14:42:46.0541Z"}],"nvd":[{"id":"CVE-2016-9338","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.","status":"published","published":"2017-02-13T21:59:01.627Z","modified":"2026-06-17T00:55:50.847Z","cvss":[{"version":"3.0","score":2.7,"vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:03:35.822579Z"}]}}