VIR Vulnerability Intelligence Relay

CVE-2017-7903

critical
Published 2017-06-30 · Modified 2026-05-13
💬 Discuss on Community ✚ Propose mitigation
CVSS v3
9.8
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4 NEW
—
not yet in upstream
VIR risk
9.8

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.

Predictions

Exploit likelihood
97%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Application impact
VendorProductVersionsFixed
rockwellautomation1763-l16awa_series_a{"endIncluding":"16.000"}
rockwellautomation1763-l16awa_series_b{"endIncluding":"16.000"}
rockwellautomation1763-l16bbb_series_a{"endIncluding":"16.000"}
rockwellautomation1763-l16bbb_series_b{"endIncluding":"16.000"}
rockwellautomation1763-l16bwa_series_a{"endIncluding":"16.000"}
rockwellautomation1763-l16bwa_series_b{"endIncluding":"16.000"}
rockwellautomation1763-l16dwd_series_a{"endIncluding":"16.000"}
rockwellautomation1763-l16dwd_series_b{"endIncluding":"16.000"}
rockwellautomation1766-l32awa_series_a{"endIncluding":"16.000"}
rockwellautomation1766-l32awa_series_b{"endIncluding":"16.000"}
rockwellautomation1766-l32awaa_series_a{"endIncluding":"16.000"}
rockwellautomation1766-l32awaa_series_b{"endIncluding":"16.000"}
rockwellautomation1766-l32bwa_series_a{"endIncluding":"16.000"}
rockwellautomation1766-l32bwa_series_b{"endIncluding":"16.000"}
rockwellautomation1766-l32bwaa_series_a{"endIncluding":"16.000"}
rockwellautomation1766-l32bwaa_series_b{"endIncluding":"16.000"}
rockwellautomation1766-l32bxb_series_a{"endIncluding":"16.000"}
rockwellautomation1766-l32bxb_series_b{"endIncluding":"16.000"}
rockwellautomation1766-l32bxba_series_a{"endIncluding":"16.000"}
rockwellautomation1766-l32bxba_series_b{"endIncluding":"16.000"}

References

CWEs

CWE-521 CWE-326

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.