GSD-2020-5668
Vulnerability from gsd - Updated: 2023-12-13 01:22Details
Uncontrolled resource consumption vulnerability in MELSEC iQ-R Series modules (R00/01/02CPU firmware version '19' and earlier, R04/08/16/32/120 (EN) CPU firmware version '51' and earlier, R08/16/32/120SFCPU firmware version '22' and earlier, R08/16/32/120PCPU firmware version '25' and earlier, R08/16/32/120PSFCPU firmware version '06' and earlier, RJ71EN71 firmware version '47' and earlier, RJ71GF11-T2 firmware version '47' and earlier, RJ72GF15-T2 firmware version '07' and earlier, RJ71GP21-SX firmware version '47' and earlier, RJ71GP21S-SX firmware version '47' and earlier, and RJ71GN11-T2 firmware version '11' and earlier) allows a remote unauthenticated attacker to cause an error in a CPU unit and cause a denial-of-service (DoS) condition in execution of the program and its communication, or to cause a denial-of-service (DoS) condition in communication via the unit by receiving a specially crafted SLMP packet
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2020-5668",
"description": "Uncontrolled resource consumption vulnerability in MELSEC iQ-R Series modules (R00/01/02CPU firmware version \u002719\u0027 and earlier, R04/08/16/32/120 (EN) CPU firmware version \u002751\u0027 and earlier, R08/16/32/120SFCPU firmware version \u002722\u0027 and earlier, R08/16/32/120PCPU firmware version \u002725\u0027 and earlier, R08/16/32/120PSFCPU firmware version \u002706\u0027 and earlier, RJ71EN71 firmware version \u002747\u0027 and earlier, RJ71GF11-T2 firmware version \u002747\u0027 and earlier, RJ72GF15-T2 firmware version \u002707\u0027 and earlier, RJ71GP21-SX firmware version \u002747\u0027 and earlier, RJ71GP21S-SX firmware version \u002747\u0027 and earlier, and RJ71GN11-T2 firmware version \u002711\u0027 and earlier) allows a remote unauthenticated attacker to cause an error in a CPU unit and cause a denial-of-service (DoS) condition in execution of the program and its communication, or to cause a denial-of-service (DoS) condition in communication via the unit by receiving a specially crafted SLMP packet",
"id": "GSD-2020-5668"
},
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"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
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"details": "Uncontrolled resource consumption vulnerability in MELSEC iQ-R Series modules (R00/01/02CPU firmware version \u002719\u0027 and earlier, R04/08/16/32/120 (EN) CPU firmware version \u002751\u0027 and earlier, R08/16/32/120SFCPU firmware version \u002722\u0027 and earlier, R08/16/32/120PCPU firmware version \u002725\u0027 and earlier, R08/16/32/120PSFCPU firmware version \u002706\u0027 and earlier, RJ71EN71 firmware version \u002747\u0027 and earlier, RJ71GF11-T2 firmware version \u002747\u0027 and earlier, RJ72GF15-T2 firmware version \u002707\u0027 and earlier, RJ71GP21-SX firmware version \u002747\u0027 and earlier, RJ71GP21S-SX firmware version \u002747\u0027 and earlier, and RJ71GN11-T2 firmware version \u002711\u0027 and earlier) allows a remote unauthenticated attacker to cause an error in a CPU unit and cause a denial-of-service (DoS) condition in execution of the program and its communication, or to cause a denial-of-service (DoS) condition in communication via the unit by receiving a specially crafted SLMP packet",
"id": "GSD-2020-5668",
"modified": "2023-12-13T01:22:03.335360Z",
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"name": "https://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2020-016.pdf",
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"cpe23Uri": "cpe:2.3:h:mitsubishielectric:rj71gp21s-sx:-:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": false
}
],
"operator": "OR"
}
],
"cpe_match": [],
"operator": "AND"
},
{
"children": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:mitsubishielectric:rj71c24-r2_firmware:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndIncluding": "47",
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:h:mitsubishielectric:rj71c24-r2:-:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": false
}
],
"operator": "OR"
}
],
"cpe_match": [],
"operator": "AND"
},
{
"children": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:mitsubishielectric:rj71c24-r4_firmware:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndIncluding": "47",
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:h:mitsubishielectric:rj71c24-r4:-:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": false
}
],
"operator": "OR"
}
],
"cpe_match": [],
"operator": "AND"
},
{
"children": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:mitsubishielectric:rj71gn11-t2_firmware:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndIncluding": "11",
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}
],
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}
],
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],
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},
"cve": {
"CVE_data_meta": {
"ASSIGNER": "vultures@jpcert.or.jp",
"ID": "CVE-2020-5668"
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "en",
"value": "Uncontrolled resource consumption vulnerability in MELSEC iQ-R Series modules (R00/01/02CPU firmware version \u002719\u0027 and earlier, R04/08/16/32/120 (EN) CPU firmware version \u002751\u0027 and earlier, R08/16/32/120SFCPU firmware version \u002722\u0027 and earlier, R08/16/32/120PCPU firmware version \u002725\u0027 and earlier, R08/16/32/120PSFCPU firmware version \u002706\u0027 and earlier, RJ71EN71 firmware version \u002747\u0027 and earlier, RJ71GF11-T2 firmware version \u002747\u0027 and earlier, RJ72GF15-T2 firmware version \u002707\u0027 and earlier, RJ71GP21-SX firmware version \u002747\u0027 and earlier, RJ71GP21S-SX firmware version \u002747\u0027 and earlier, and RJ71GN11-T2 firmware version \u002711\u0027 and earlier) allows a remote unauthenticated attacker to cause an error in a CPU unit and cause a denial-of-service (DoS) condition in execution of the program and its communication, or to cause a denial-of-service (DoS) condition in communication via the unit by receiving a specially crafted SLMP packet"
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "en",
"value": "CWE-400"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2020-016.pdf",
"refsource": "MISC",
"tags": [
"Vendor Advisory"
],
"url": "https://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2020-016.pdf"
},
{
"name": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-016_en.pdf",
"refsource": "MISC",
"tags": [
"Vendor Advisory"
],
"url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-016_en.pdf"
},
{
"name": "https://us-cert.cisa.gov/ics/advisories/icsa-20-324-05",
"refsource": "MISC",
"tags": [
"Third Party Advisory",
"US Government Resource"
],
"url": "https://us-cert.cisa.gov/ics/advisories/icsa-20-324-05"
},
{
"name": "https://jvn.jp/vu/JVNVU95980140/index.html",
"refsource": "MISC",
"tags": [
"Third Party Advisory"
],
"url": "https://jvn.jp/vu/JVNVU95980140/index.html"
}
]
}
},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 7.8,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 6.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "HIGH",
"userInteractionRequired": false
},
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6
}
},
"lastModifiedDate": "2022-04-29T13:21Z",
"publishedDate": "2020-11-20T04:15Z"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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.
- 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.
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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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