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CVE-2012-6440

20
FAUCET Score

CVE-2012-6440 describes a critical man-in-the-middle and replay attack vulnerability affecting the web server password authentication mechanism in various Rockwell Automation EtherNet/IP products and controllers. With a CVSS score of 9.3, this vulnerability allows unauthenticated attackers to remotely gain full control over product configuration and diagnostics information due to its high impact on confidentiality, integrity, and availability. Despite its severity, there is no known public exploit code (Metasploit, Nuclei, ExploitDB), nor is it listed on the CISA KEV catalog, and it has garnered minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 20CPE matchmatch criteria
cpe:2.3:a:rockwellautomation:controllogix_controllers:*:*:*:*:*:*:*:*
<= 20CPE matchmatch criteria
cpe:2.3:a:rockwellautomation:guardlogix_controllers:*:*:*:*:*:*:*:*
<= 1100CPE matchmatch criteria
cpe:2.3:a:rockwellautomation:micrologix:*:*:*:*:*:*:*:*
<= 1400CPE matchmatch criteria
cpe:2.3:a:rockwellautomation:micrologix:*:*:*:*:*:*:*:*
<= 19CPE matchmatch criteria
cpe:2.3:a:rockwellautomation:softlogix_controllers:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

9.3HIGH

AV:N/AC:M/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
8.12%
Probability of exploitation in next 30 days
EPSS Percentile
94.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0812 is in the 93rd percentile among its peer group of 19,955 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

us-cert.gov / control_systems/pdf/ICSA-13-011-03.pdf
US Government Resource
rockwellautomation.custhelp.com / app/answers/detail/a_id/54102
rockwellautomation.custhelp.com / app/answers/detail/a_id/470154
rockwellautomation.custhelp.com / app/answers/detail/aid/470155
rockwellautomation.custhelp.com / app/answers/detail/aid/470156
cisa.gov / news-events/ics-advisories/icsa-13-011-03