CVE-2012-6439
Rockwell Automation ControlLogix PLC Improper Access Control
Exploitation likely. EPSS gives it a 23% chance of exploitation in the next 30 days. A vendor fix is available.
What to do
The vendor has published a fix. Version details are below where the sources state them.
What it is
From the CVE record
This CSAF advisory was extracted from unstructured data and may contain inaccuracies. If you notice any errors, please reach out to the designated contact at CISA CSAF: central@cisa.dhs.gov
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
23% chance of exploitation activity in the next 30 days, which ranks it in the 98th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
6 events over 4897 days, from the signal feeds we watch.
- EPSS band changelow → moderate
- Patch availableworkaround available, record updated
- Publishedweakness classified
Affected products
- 1756-ENBT, 1756-EWEB, 1768-ENBT, 1768-EWEB communication modulesICS / OT / IoT
- CompactLogix L32E and L35E controllersICS / OT / IoT
- 1788-ENBT FLEXLogix adapterICS / OT / IoT
- 1794-AENTR FLEX I/O EtherNet/IP adapterICS / OT / IoT
- ControlLogix, CompactLogix, GuardLogix, and SoftLogixICS / OT / IoT
- CompactLogix and SoftLogix controllersICS / OT / IoT
- ControlLogix and GuardLogix controllersICS / OT / IoT
- MicroLogixICS / OT / IoT
And 9 more affected products. See all after sign-in
Technical detail
CVSS 2.0 vector
Open in the CVSS calculatorAV:N/AC:L/Au:N/C:N/I:P/A:C
Scored 8.5 by NVD.
How it is reached
- Access Vector NetworkExploitable remotely over the network
- Access Complexity LowNo special conditions required
- Authentication NoneNo authentication required
Impact if exploited
- Confidentiality NoneNo confidentiality impact
- Integrity PartialSome data can be modified
- Availability CompleteTotal shutdown of the affected resource
Weaknesses
Sources
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