CVE-2017-7898

Critical

Description

An Improper Restriction of Excessive Authentication Attempts 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. There are no penalties for repeatedly entering incorrect passwords.

SeverityCritical
CVSS9.8
Exploit probability94. percentile7%
ProductRockwellautomation 1763-l16awa Series A
PublishedJun 30, 2017
First seenJun 30, 2017
Weakness typeCWE-307CWE-307

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
rockwellautomation 1763-l16awa_series_av ≤ 16.000—
rockwellautomation 1763-l16awa_series_bv ≤ 16.000—
rockwellautomation 1763-l16bbb_series_av ≤ 16.000—
rockwellautomation 1763-l16bbb_series_bv ≤ 16.000—
rockwellautomation 1763-l16bwa_series_av ≤ 16.000—
rockwellautomation 1763-l16bwa_series_bv ≤ 16.000—
rockwellautomation 1763-l16dwd_series_av ≤ 16.000—
rockwellautomation 1763-l16dwd_series_bv ≤ 16.000—
rockwellautomation 1766-l32awa_series_av ≤ 16.000—
rockwellautomation 1766-l32awa_series_bv ≤ 16.000—
rockwellautomation 1766-l32awaa_series_av ≤ 16.000—
rockwellautomation 1766-l32awaa_series_bv ≤ 16.000—
rockwellautomation 1766-l32bwa_series_av ≤ 16.000—
rockwellautomation 1766-l32bwa_series_bv ≤ 16.000—
rockwellautomation 1766-l32bwaa_series_av ≤ 16.000—
rockwellautomation 1766-l32bwaa_series_bv ≤ 16.000—
rockwellautomation 1766-l32bxb_series_av ≤ 16.000—
rockwellautomation 1766-l32bxb_series_bv ≤ 16.000—
rockwellautomation 1766-l32bxba_series_av ≤ 16.000—
rockwellautomation 1766-l32bxba_series_bv ≤ 16.000—

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