peter bassill · operator
$ cve CVE-2017-7898 JSON

CVE-2017-7898

9.8
CRITICAL · CVSS 3.1 · EPSS 5.2% (pctl 92)

In your normal cycle

Critical by CVSS (9.8), but no sign of active exploitation.

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.

Scoring

CVSS9.8 (CRITICAL, v3.1)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS5.15% — more likely to be exploited than 92% of all CVEs
WeaknessCWE-307
On CISA KEVno
Public exploitnone known
Published2017-06-30
Last modified2026-06-17

Affected (21)

VendorProduct
rockwellautomation1763-l16awa series a
rockwellautomation1763-l16awa series b
rockwellautomation1763-l16bbb series a
rockwellautomation1763-l16bbb series b
rockwellautomation1763-l16bwa series a
rockwellautomation1763-l16bwa series b
rockwellautomation1763-l16dwd series a
rockwellautomation1763-l16dwd series b
rockwellautomation1766-l32awa series a
rockwellautomation1766-l32awa series b
rockwellautomation1766-l32awaa series a
rockwellautomation1766-l32awaa series b
rockwellautomation1766-l32bwa series a
rockwellautomation1766-l32bwa series b
rockwellautomation1766-l32bwaa series a
rockwellautomation1766-l32bwaa series b
rockwellautomation1766-l32bxb series a
rockwellautomation1766-l32bxb series b
rockwellautomation1766-l32bxba series a
rockwellautomation1766-l32bxba series b
rockwellautomationab micrologix controller

References

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