FKIE_CVE-2012-6440
Vulnerability from fkie_nvd - Published: 2013-01-24 21:55 - Updated: 2026-06-16 23:48
Severity
Summary
The Web server password authentication mechanism used by the products is vulnerable to a MitM and Replay attack. Successful exploitation of this vulnerability will allow unauthorized access of the product’s Web server to view and alter product configuration and diagnostics information.
Rockwell Automation EtherNet/IP products; 1756-ENBT, 1756-EWEB, 1768-ENBT, and 1768-EWEB communication modules; CompactLogix L32E and L35E controllers; 1788-ENBT FLEXLogix adapter; 1794-AENTR FLEX I/O EtherNet/IP adapter; ControlLogix 18 and earlier; CompactLogix 18 and earlier; GuardLogix 18 and earlier; SoftLogix 18 and earlier; CompactLogix controllers 19 and earlier; SoftLogix controllers 19 and earlier; ControlLogix controllers 20 and earlier; GuardLogix controllers 20 and earlier; and MicroLogix 1100 and 1400
References
Impacted products
{
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"product": "1756-ENBT, 1756-EWEB, 1768-ENBT, 1768-EWEB communication modules",
"vendor": "Rockwell Automation",
"versions": [
{
"status": "affected",
"version": "All"
}
]
},
{
"defaultStatus": "unaffected",
"product": "CompactLogix L32E and L35E controllers",
"vendor": "Rockwell Automation",
"versions": [
{
"status": "affected",
"version": "All"
}
]
},
{
"defaultStatus": "unaffected",
"product": "1788-ENBT FLEXLogix adapter",
"vendor": "Rockwell Automation",
"versions": [
{
"status": "affected",
"version": "All"
}
]
},
{
"defaultStatus": "unaffected",
"product": "1794-AENTR FLEX I/O EtherNet/IP adapter",
"vendor": "Rockwell Automation",
"versions": [
{
"status": "affected",
"version": "All"
}
]
},
{
"defaultStatus": "unaffected",
"product": "ControlLogix, CompactLogix, GuardLogix, and SoftLogix",
"vendor": "Rockwell Automation",
"versions": [
{
"lessThanOrEqual": "18",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unaffected",
"product": "CompactLogix and SoftLogix controllers",
"vendor": "Rockwell Automation",
"versions": [
{
"lessThanOrEqual": "19",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unaffected",
"product": "ControlLogix and GuardLogix controllers",
"vendor": "Rockwell Automation",
"versions": [
{
"lessThanOrEqual": "20",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MicroLogix",
"vendor": "Rockwell Automation",
"versions": [
{
"status": "affected",
"version": "1100"
},
{
"status": "affected",
"version": "1400"
}
]
}
],
"source": "ics-cert@hq.dhs.gov"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:rockwellautomation:controllogix_controllers:*:*:*:*:*:*:*:*",
"matchCriteriaId": "37F4D4ED-1915-4155-9F0A-691771AA534B",
"versionEndIncluding": "20",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:rockwellautomation:guardlogix_controllers:*:*:*:*:*:*:*:*",
"matchCriteriaId": "A2F8B5EE-C1BA-4CFB-B17F-C59BCDB41503",
"versionEndIncluding": "20",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:rockwellautomation:micrologix:*:*:*:*:*:*:*:*",
"matchCriteriaId": "DE554CCC-0A46-43D4-8D7D-44200BB7D314",
"versionEndIncluding": "1100",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:rockwellautomation:micrologix:*:*:*:*:*:*:*:*",
"matchCriteriaId": "8D3B4218-4483-4FAE-9915-8937F40AED27",
"versionEndIncluding": "1400",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:rockwellautomation:softlogix_controllers:*:*:*:*:*:*:*:*",
"matchCriteriaId": "FE7219A5-4759-4143-B89F-869D49CAAFF7",
"versionEndIncluding": "19",
"vulnerable": true
},
{
"criteria": "cpe:2.3:h:rockwellautomation:1756-enbt:-:*:*:*:*:*:*:*",
"matchCriteriaId": "330E9A05-C869-41B1-BB28-FD2A7C7ED0CE",
"vulnerable": true
},
{
"criteria": "cpe:2.3:h:rockwellautomation:1756-eweb:-:*:*:*:*:*:*:*",
"matchCriteriaId": "2AD7D5DB-4A49-421A-8C6C-B9E6DA0A499B",
"vulnerable": true
},
{
"criteria": "cpe:2.3:h:rockwellautomation:1768-enbt:-:*:*:*:*:*:*:*",
"matchCriteriaId": "DD44B55C-BDD7-41CC-91A9-F31ED2FC69E2",
"vulnerable": true
},
{
"criteria": "cpe:2.3:h:rockwellautomation:1768-eweb:-:*:*:*:*:*:*:*",
"matchCriteriaId": "C91D5245-DED2-469C-A800-62109F8159C9",
"vulnerable": true
},
{
"criteria": "cpe:2.3:h:rockwellautomation:1794-aentr_flex_i\\/o_ethernet\\/ip_adapter:-:*:*:*:*:*:*:*",
"matchCriteriaId": "0BD25E6B-6AE1-4B8C-A086-F5E152CAAA60",
"vulnerable": true
},
{
"criteria": "cpe:2.3:h:rockwellautomation:compactlogix:*:*:*:*:*:*:*:*",
"matchCriteriaId": "AA199887-E8F7-48EE-B1E0-9EF2E439DACE",
"versionEndIncluding": "18",
"vulnerable": true
},
{
"criteria": "cpe:2.3:h:rockwellautomation:compactlogix_controllers:*:*:*:*:*:*:*:*",
"matchCriteriaId": "A763D845-B091-47A4-8A29-A1CD19C1E4F2",
"versionEndIncluding": "19",
"vulnerable": true
},
{
"criteria": "cpe:2.3:h:rockwellautomation:compactlogix_l32e_controller:-:*:*:*:*:*:*:*",
"matchCriteriaId": "19B8ED27-2512-4A42-973C-99D300963046",
"vulnerable": true
},
{
"criteria": "cpe:2.3:h:rockwellautomation:compactlogix_l35e_controller:-:*:*:*:*:*:*:*",
"matchCriteriaId": "7EFC590C-01C1-48D1-A5BE-0F70BE7F36B9",
"vulnerable": true
},
{
"criteria": "cpe:2.3:h:rockwellautomation:controllogix:*:*:*:*:*:*:*:*",
"matchCriteriaId": "4FE24B9B-9F7D-4D8F-A674-F04FC9F9F8BC",
"versionEndIncluding": "18",
"vulnerable": true
},
{
"criteria": "cpe:2.3:h:rockwellautomation:flexlogix_1788-enbt_adapter:-:*:*:*:*:*:*:*",
"matchCriteriaId": "887A3369-548C-42B0-82C5-92CB161D3B7A",
"vulnerable": true
},
{
"criteria": "cpe:2.3:h:rockwellautomation:guardlogix:*:*:*:*:*:*:*:*",
"matchCriteriaId": "E98626DD-BC79-473E-B25F-92C9BA12F6DD",
"versionEndIncluding": "18",
"vulnerable": true
},
{
"criteria": "cpe:2.3:h:rockwellautomation:softlogix:*:*:*:*:*:*:*:*",
"matchCriteriaId": "D83AF504-2845-4022-BA8E-52F4FB773EA4",
"versionEndIncluding": "18",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "The Web server password authentication mechanism used by the products is vulnerable to a MitM and Replay attack. Successful exploitation of this vulnerability will allow unauthorized access of the product\u2019s Web server to view and alter product configuration and diagnostics information.\n\n\n\nRockwell Automation EtherNet/IP products; 1756-ENBT, 1756-EWEB, 1768-ENBT, and 1768-EWEB communication modules; CompactLogix L32E and L35E controllers; 1788-ENBT FLEXLogix adapter; 1794-AENTR FLEX I/O EtherNet/IP adapter; ControlLogix 18 and earlier; CompactLogix 18 and earlier; GuardLogix 18 and earlier; SoftLogix 18 and earlier; CompactLogix controllers 19 and earlier; SoftLogix controllers 19 and earlier; ControlLogix controllers 20 and earlier; GuardLogix controllers 20 and earlier; and MicroLogix 1100 and 1400"
},
{
"lang": "es",
"value": "La funcionalidad de autenticaci\u00f3n web-server en los productos Rockwell Automation EtherNet/IP; m\u00f3dulos de comunicaci\u00f3n 1756-ENBT, 1756-EWEB, 1768-ENBT, y 1768-EWEB; controlodares CompactLogix L32E y L35E; adaptador 1788-ENBT FLEXLogix; adaptador 1794-AENTR FLEX I/O EtherNet/IP; ControlLogix 18 y anteriores; CompactLogix 18 y anteriores; GuardLogix 18 y anteriores; SoftLogix 18 y anteriores; controladores CompactLogix 19 y anteriores; controladores SoftLogix 19 y anteriores; controladores ControlLogix 20 y anteriores; controladores GuardLogix 20 y anteriores; MicroLogix 1100 y 1400 permiten ataques man-in-the-middle conducir ataques de repetici\u00f3n por tr\u00e1fico HTTP."
}
],
"id": "CVE-2012-6440",
"lastModified": "2026-06-16T23:48:06.757",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 9.3,
"confidentialityImpact": "COMPLETE",
"integrityImpact": "COMPLETE",
"vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 10.0,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "ics-cert@hq.dhs.gov",
"type": "Secondary",
"userInteractionRequired": true
},
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 9.3,
"confidentialityImpact": "COMPLETE",
"integrityImpact": "COMPLETE",
"vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 10.0,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": true
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 4.8,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.2,
"impactScore": 2.5,
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2012-6440",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-06-03T13:34:42.563148Z",
"version": "2.0.3"
}
}
]
},
"published": "2013-01-24T21:55:01.697",
"references": [
{
"source": "ics-cert@hq.dhs.gov",
"url": "http://rockwellautomation.custhelp.com/app/answers/detail/a_id/54102"
},
{
"source": "ics-cert@hq.dhs.gov",
"url": "https://rockwellautomation.custhelp.com/app/answers/detail/a_id/470154"
},
{
"source": "ics-cert@hq.dhs.gov",
"url": "https://rockwellautomation.custhelp.com/app/answers/detail/aid/470155"
},
{
"source": "ics-cert@hq.dhs.gov",
"url": "https://rockwellautomation.custhelp.com/app/answers/detail/aid/470156"
},
{
"source": "ics-cert@hq.dhs.gov",
"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-13-011-03"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"US Government Resource"
],
"url": "http://www.us-cert.gov/control_systems/pdf/ICSA-13-011-03.pdf"
}
],
"sourceIdentifier": "ics-cert@hq.dhs.gov",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-287"
}
],
"source": "ics-cert@hq.dhs.gov",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-287"
}
],
"source": "nvd@nist.gov",
"type": "Secondary"
}
]
}
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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
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- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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