{"cve":"CVE-2017-7903","nvd":{"published":"2017-06-30T03:29:00.860","modified":"2026-06-17T01:25:25.903","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-326","CWE-521"],"references":["http://www.securitytracker.com/id/1038546","https://ics-cert.us-cert.gov/advisories/ICSA-17-115-04","http://www.securitytracker.com/id/1038546","https://ics-cert.us-cert.gov/advisories/ICSA-17-115-04"],"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","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"],"source":"nvd","synced_at":"2026-10-19T20:43:44.556243339+00:00"},"epss":{"cve":"CVE-2017-7903","score":0.03757,"percentile":0.89894,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}