cve-2021-20598
Vulnerability from cvelistv5
Published
2021-08-06 16:53
Modified
2024-08-03 17:45
Severity ?
EPSS score ?
Summary
Overly Restrictive Account Lockout Mechanism vulnerability in Mitsubishi Electric MELSEC iQ-R series CPU modules (R08/16/32/120SFCPU all versions, R08/16/32/120PSFCPU all versions) allows a remote unauthenticated attacker to lockout a legitimate user by continuously trying login with incorrect password.
References
Impacted products
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-03T17:45:44.713Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://jvn.jp/vu/JVNVU98578731/index.html"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-010_en.pdf"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "MELSEC iQ-R series CPU modules R08/16/32/120SFCPU; R08/16/32/120PSFCPU",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "all versions"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Overly Restrictive Account Lockout Mechanism vulnerability in Mitsubishi Electric MELSEC iQ-R series CPU modules (R08/16/32/120SFCPU all versions, R08/16/32/120PSFCPU all versions) allows a remote unauthenticated attacker to lockout a legitimate user by continuously trying login with incorrect password."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "Overly Restrictive Account Lockout Mechanism",
"lang": "en",
"type": "text"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2021-08-06T16:53:47",
"orgId": "e0f77b61-78fd-4786-b3fb-1ee347a748ad",
"shortName": "Mitsubishi"
},
"references": [
{
"tags": [
"x_refsource_MISC"
],
"url": "https://jvn.jp/vu/JVNVU98578731/index.html"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-010_en.pdf"
}
],
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp",
"ID": "CVE-2021-20598",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "MELSEC iQ-R series CPU modules R08/16/32/120SFCPU; R08/16/32/120PSFCPU",
"version": {
"version_data": [
{
"version_value": "all versions"
},
{
"version_value": "all versions"
}
]
}
}
]
},
"vendor_name": "n/a"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "Overly Restrictive Account Lockout Mechanism vulnerability in Mitsubishi Electric MELSEC iQ-R series CPU modules (R08/16/32/120SFCPU all versions, R08/16/32/120PSFCPU all versions) allows a remote unauthenticated attacker to lockout a legitimate user by continuously trying login with incorrect password."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "Overly Restrictive Account Lockout Mechanism"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://jvn.jp/vu/JVNVU98578731/index.html",
"refsource": "MISC",
"url": "https://jvn.jp/vu/JVNVU98578731/index.html"
},
{
"name": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-010_en.pdf",
"refsource": "MISC",
"url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-010_en.pdf"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "e0f77b61-78fd-4786-b3fb-1ee347a748ad",
"assignerShortName": "Mitsubishi",
"cveId": "CVE-2021-20598",
"datePublished": "2021-08-06T16:53:47",
"dateReserved": "2020-12-17T00:00:00",
"dateUpdated": "2024-08-03T17:45:44.713Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2021-20598\",\"sourceIdentifier\":\"Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp\",\"published\":\"2021-08-06T17:15:07.173\",\"lastModified\":\"2021-08-27T13:10:04.973\",\"vulnStatus\":\"Analyzed\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"Overly Restrictive Account Lockout Mechanism vulnerability in Mitsubishi Electric MELSEC iQ-R series CPU modules (R08/16/32/120SFCPU all versions, R08/16/32/120PSFCPU all versions) allows a remote unauthenticated attacker to lockout a legitimate user by continuously trying login with incorrect password.\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad del Mecanismo de Bloqueo de Cuentas Demasiado Restrictivo en los m\u00f3dulos de CPU de la serie MELSEC iQ-R de Mitsubishi Electric (R08/16/32/120SFCPU todas las versiones, R08/16/32/120PSFCPU todas las versiones) permite a un atacante remoto no autenticado bloquear a un usuario leg\u00edtimo al intentar iniciar sesi\u00f3n continuamente con una contrase\u00f1a incorrecta\"}],\"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:U/C:N/I:N/A:L\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"LOW\",\"baseScore\":5.3,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":3.9,\"impactScore\":1.4}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:N/I:N/A:P\",\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\",\"baseScore\":5.0},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-287\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:mitsubishielectric:r08sfcpu_firmware:*:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"66D3AC7B-50E0-47D5-B0D1-07329D724EFE\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:mitsubishielectric:r08sfcpu:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B185323A-C9E3-48A0-AD28-DA7AC7846E18\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:mitsubishielectric:r16sfcpu_firmware:*:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"AA81D5C7-46C8-4F0E-9550-D240DC0366F3\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:mitsubishielectric:r16sfcpu:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C4BBE066-33C4-4410-85D3-4B77B3773330\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:mitsubishielectric:r32sfcpu_firmware:*:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"7FB53D61-6C69-4A4A-92B1-C10D0B8F0EC9\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:mitsubishielectric:r32sfcpu:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"6F6304BE-DAEE-49AB-B0B1-CEE6878CBECE\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:mitsubishielectric:r120sfcpu_firmware:*:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"8218130C-4E7D-4FB9-976B-2351977C82D4\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:mitsubishielectric:r120sfcpu:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"515BDC46-5A1C-4A94-816A-B4751BB1B58D\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:mitsubishielectric:r08psfcpu_firmware:*:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"5A63D33D-302A-428C-986F-FC3F83CE9C86\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:mitsubishielectric:r08psfcpu:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"EA37F2FC-8F75-4FEA-882D-87AD5CC1558E\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:mitsubishielectric:r16psfcpu_firmware:*:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"FFB42739-E503-44B2-A020-0DB2B8791A81\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:mitsubishielectric:r16psfcpu:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"17AD5875-B7D7-498B-9484-23049753133E\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:mitsubishielectric:r32psfcpu_firmware:*:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"3B1F532B-8EAF-4E66-9AF5-5EEFF5A0BC23\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:mitsubishielectric:r32psfcpu:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"0EC2594C-6067-40BA-B8B2-AEC9B9C7922F\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:mitsubishielectric:r120psfcpu_firmware:*:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B2C03EA2-34BF-4F86-A19C-2818788E092B\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:mitsubishielectric:r120psfcpu:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"CA3FB3E1-D7D3-424B-A207-D3C6F4365D12\"}]}]}],\"references\":[{\"url\":\"https://jvn.jp/vu/JVNVU98578731/index.html\",\"source\":\"Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-010_en.pdf\",\"source\":\"Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp\",\"tags\":[\"Vendor Advisory\"]}]}}"
}
}
Loading...
Loading...
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.