CVE-2021-33012 (GCVE-0-2021-33012)
Vulnerability from cvelistv5 – Published: 2021-07-09 14:03 – Updated: 2024-08-03 23:42
VLAI?
Summary
Rockwell Automation MicroLogix 1100, all versions, allows a remote, unauthenticated attacker sending specially crafted commands to cause the PLC to fault when the controller is switched to RUN mode, which results in a denial-of-service condition. If successfully exploited, this vulnerability will cause the controller to fault whenever the controller is switched to RUN mode.
Severity ?
No CVSS data available.
CWE
- CWE-20 - IMPROPER INPUT VALIDATION CWE-20
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| n/a | Rockwell Automation MicroLogix 1100 |
Affected:
All Versions
|
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-03T23:42:19.616Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-189-01"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "Rockwell Automation MicroLogix 1100",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "All Versions"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Rockwell Automation MicroLogix 1100, all versions, allows a remote, unauthenticated attacker sending specially crafted commands to cause the PLC to fault when the controller is switched to RUN mode, which results in a denial-of-service condition. If successfully exploited, this vulnerability will cause the controller to fault whenever the controller is switched to RUN mode."
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-20",
"description": "IMPROPER INPUT VALIDATION CWE-20",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2021-07-09T14:03:55",
"orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
"shortName": "icscert"
},
"references": [
{
"tags": [
"x_refsource_MISC"
],
"url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-189-01"
}
],
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "ics-cert@hq.dhs.gov",
"ID": "CVE-2021-33012",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "Rockwell Automation MicroLogix 1100",
"version": {
"version_data": [
{
"version_value": "All Versions"
}
]
}
}
]
},
"vendor_name": "n/a"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "Rockwell Automation MicroLogix 1100, all versions, allows a remote, unauthenticated attacker sending specially crafted commands to cause the PLC to fault when the controller is switched to RUN mode, which results in a denial-of-service condition. If successfully exploited, this vulnerability will cause the controller to fault whenever the controller is switched to RUN mode."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "IMPROPER INPUT VALIDATION CWE-20"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://us-cert.cisa.gov/ics/advisories/icsa-21-189-01",
"refsource": "MISC",
"url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-189-01"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
"assignerShortName": "icscert",
"cveId": "CVE-2021-33012",
"datePublished": "2021-07-09T14:03:55",
"dateReserved": "2021-05-13T00:00:00",
"dateUpdated": "2024-08-03T23:42:19.616Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"fkie_nvd": {
"configurations": "[{\"operator\": \"AND\", \"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:rockwellautomation:micrologix_1100_firmware:*:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"D5252A0C-A923-4BA0-A857-9BF21F8BF79B\"}]}, {\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:rockwellautomation:micrologix_1100:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"DA42C7F4-EEC1-44D2-BD46-237969FF6E1A\"}]}]}]",
"descriptions": "[{\"lang\": \"en\", \"value\": \"Rockwell Automation MicroLogix 1100, all versions, allows a remote, unauthenticated attacker sending specially crafted commands to cause the PLC to fault when the controller is switched to RUN mode, which results in a denial-of-service condition. If successfully exploited, this vulnerability will cause the controller to fault whenever the controller is switched to RUN mode.\"}, {\"lang\": \"es\", \"value\": \"Rockwell Automation MicroLogix 1100, todas las versiones, permite a un atacante remoto no autenticado enviar comandos especialmente dise\\u00f1ados para causar un fallo en el PLC cuando el controlador es colocado en modo RUN, lo que resulta en una condici\\u00f3n de denegaci\\u00f3n de servicio. Si es explotado con \\u00e9xito, esta vulnerabilidad causar\\u00e1 al controlador cometer un fallo cada vez que es colocado en modo RUN\"}]",
"id": "CVE-2021-33012",
"lastModified": "2024-11-21T06:08:07.410",
"metrics": "{\"cvssMetricV31\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H\", \"baseScore\": 8.6, \"baseSeverity\": \"HIGH\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"CHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 3.9, \"impactScore\": 4.0}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:L/Au:N/C:N/I:N/A:P\", \"baseScore\": 5.0, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"LOW\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"PARTIAL\"}, \"baseSeverity\": \"MEDIUM\", \"exploitabilityScore\": 10.0, \"impactScore\": 2.9, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
"published": "2021-07-09T15:15:08.503",
"references": "[{\"url\": \"https://us-cert.cisa.gov/ics/advisories/icsa-21-189-01\", \"source\": \"ics-cert@hq.dhs.gov\", \"tags\": [\"Third Party Advisory\", \"US Government Resource\"]}, {\"url\": \"https://us-cert.cisa.gov/ics/advisories/icsa-21-189-01\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\", \"US Government Resource\"]}]",
"sourceIdentifier": "ics-cert@hq.dhs.gov",
"vulnStatus": "Modified",
"weaknesses": "[{\"source\": \"ics-cert@hq.dhs.gov\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-20\"}]}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"NVD-CWE-noinfo\"}]}]"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2021-33012\",\"sourceIdentifier\":\"ics-cert@hq.dhs.gov\",\"published\":\"2021-07-09T15:15:08.503\",\"lastModified\":\"2024-11-21T06:08:07.410\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Rockwell Automation MicroLogix 1100, all versions, allows a remote, unauthenticated attacker sending specially crafted commands to cause the PLC to fault when the controller is switched to RUN mode, which results in a denial-of-service condition. If successfully exploited, this vulnerability will cause the controller to fault whenever the controller is switched to RUN mode.\"},{\"lang\":\"es\",\"value\":\"Rockwell Automation MicroLogix 1100, todas las versiones, permite a un atacante remoto no autenticado enviar comandos especialmente dise\u00f1ados para causar un fallo en el PLC cuando el controlador es colocado en modo RUN, lo que resulta en una condici\u00f3n de denegaci\u00f3n de servicio. Si es explotado con \u00e9xito, esta vulnerabilidad causar\u00e1 al controlador cometer un fallo cada vez que es colocado en modo RUN\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H\",\"baseScore\":8.6,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":4.0}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:N/I:N/A:P\",\"baseScore\":5.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"ics-cert@hq.dhs.gov\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-20\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:rockwellautomation:micrologix_1100_firmware:*:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"D5252A0C-A923-4BA0-A857-9BF21F8BF79B\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:rockwellautomation:micrologix_1100:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"DA42C7F4-EEC1-44D2-BD46-237969FF6E1A\"}]}]}],\"references\":[{\"url\":\"https://us-cert.cisa.gov/ics/advisories/icsa-21-189-01\",\"source\":\"ics-cert@hq.dhs.gov\",\"tags\":[\"Third Party Advisory\",\"US Government Resource\"]},{\"url\":\"https://us-cert.cisa.gov/ics/advisories/icsa-21-189-01\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\",\"US Government Resource\"]}]}}"
}
}
Loading…
Loading…
Sightings
| Author | Source | Type | Date |
|---|
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.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- 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.
Loading…
Loading…