01 Record

CVE-2012-6439

Rockwell Automation ControlLogix PLC Improper Access Control

UnratedPUBLISHEDCNA: icscert

CNA base scoreUnratedNo CNA CVSS vector

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02 Description

Rockwell Automation ControlLogix PLC Improper Access Control

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 23.18% probability of exploitation activity in the next 30 days.
EPSS percentile: Equal to or higher than the score of 97.5% of scored records. A rank, not a probability.
NVD base score: The NVD has published no score for this record
NVD CVSS vector: No NVD score to derive
NVD analysis status: Modified. NVD last modified this record on 2026-06-16.
Red Hat severity: No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2013-01-24 21:00Z13 YR AGO

Last updated

2025-06-30 21:33Z1 YR AGO

Reserved

2012-12-26

Assigning CNA

icscert

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

CWE-284Improper Access ControlPillar

Data version

5.1

Document digest

27f9bc3b0b2705a5fae3fa454b5bed7423f5b3901338cdd6a71512cb7f094d80

05 Affected products

VendorProductVersionsPlatforms

Rockwell Automation1756-ENBT, 1756-EWEB, 1768-ENBT, 1768-EWEB communication modulesAll—

Rockwell AutomationCompactLogix L32E and L35E controllersAll—

Rockwell Automation1788-ENBT FLEXLogix adapterAll—

Rockwell Automation1794-AENTR FLEX I/O EtherNet/IP adapterAll—

Rockwell AutomationControlLogix, CompactLogix, GuardLogix, and SoftLogix0 to 18—

Rockwell AutomationCompactLogix and SoftLogix controllers0 to 19—

Rockwell AutomationControlLogix and GuardLogix controllers0 to 20—

Rockwell AutomationMicroLogix1100, 1400—

06 References

www.us-cert.govhttp://www.us-cert.gov/control_systems/pdf/ICSA-13-011-03.pdfx_refsource_MISC
rockwellautomation.custhelp.comhttps://rockwellautomation.custhelp.com/app/answers/detail/a_id/470154
rockwellautomation.custhelp.comhttps://rockwellautomation.custhelp.com/app/answers/detail/aid/470155
rockwellautomation.custhelp.comhttps://rockwellautomation.custhelp.com/app/answers/detail/aid/470156
rockwellautomation.custhelp.comhttp://rockwellautomation.custhelp.com/app/answers/detail/a_id/54102

07 Remediation

According to Rockwell, any of the above products that become affected by a vulnerability can be reset by rebooting or power cycling the affected product. After the reboot, the affected product may require some reconfiguration. To mitigate the vulnerabilities, Rockwell has developed and released security patches on July 18, 2012, to address each of the issues. To download and install the patches please refer to Rockwell’s Advisories at: https://rockwellautomation.custhelp.com/app/answers/detail/a_id/470154 https://rockwellautomation.custhelp.com/app/answers/detail/aid/470155 https://rockwellautomation.custhelp.com/app/answers/detail/aid/470156 For more information on security with Rockwell Automation products, please refer to Rockwell’s Security Advisory Index http://rockwellautomation.custhelp.com/app/answers/detail/a_id/54102 .