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Fencer Intel
high 7.1

CVE-2012-4690 json

Rockwell Automation Allen-Bradley MicroLogix controller 1100, 1200, 1400, and 1500; SLC 500 controller platform; and PLC-5 controller platf…

published 2012-12-08 13 y ago modified 2026-06-16 4 mo ago also EUVD-2012-4615

cvss
7.1
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.0%
EPSS 4.0% chance of exploitation in 30 days, percentile 90%
public exploits
0
none known

Summary

Rockwell Automation Allen-Bradley MicroLogix controller 1100, 1200, 1400, and 1500; SLC 500 controller platform; and PLC-5 controller platform, when Static status is not enabled, allow remote attackers to cause a denial of service via messages that trigger modification of status bits.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-12-342-01B updated cvss 7.1

Rockwell Allen-Bradley MicroLogix, SLC 500, and PLC-5 Fault Generation Vulnerability

  • Rockwell Automation MicroLogix 1100 controller Rockwell Automation MicroLogix 1200 controller Rockwell Automation MicroLogix 1400 controller Rockwell Automation MicroLogix 1500 controller Rockwell Automation PLC-5 controller platform PLC-5 Control System Rockwell Automation SLC 500 controller platform
    affected: mitigation rockwellautomation.custhelp.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

4.05% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 7.1 AV:N/AC:M/Au:N/C:N/I:N/A:C

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.