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ghsa-x5r4-fjpr-vr8v
Vulnerability from github
Published
2021-12-02 00:00
Modified
2022-04-27 00:00
Severity ?
Details
Uncontrolled Resource Consumption vulnerability in MELSEC iQ-R Series R00/01/02CPU Firmware versions "24" and prior, MELSEC iQ-R Series R04/08/16/32/120(EN)CPU Firmware versions "57" and prior, MELSEC iQ-R Series R08/16/32/120SFCPU All versions, MELSEC iQ-R Series R08/16/32/120PCPU Firmware versions "29" and prior, MELSEC iQ-R Series R08/16/32/120PSFCPU All versions, MELSEC iQ-R Series R16/32/64MTCPU All versions, MELSEC iQ-R Series R12CCPU-V All versions, MELSEC Q Series Q03UDECPU All versions, MELSEC Q Series Q04/06/10/13/20/26/50/100UDEHCPU All versions, MELSEC Q Series Q03/04/06/13/26UDVCPU The first 5 digits of serial No. "23071" and prior, MELSEC Q Series Q04/06/13/26UDPVCPU The first 5 digits of serial No. "23071" and prior, MELSEC Q Series Q12DCCPU-V All versions, MELSEC Q Series Q24DHCCPU-V(G) All versions, MELSEC Q Series Q24/26DHCCPU-LS All versions, MELSEC Q Series MR-MQ100 All versions, MELSEC Q Series Q172/173DCPU-S1 All versions, MELSEC Q Series Q172/172DSCPU All versions, MELSEC Q Series Q170MCPU All versions, MELSEC Q Series Q170MSCPU(-S1) All versions, MELSEC L Series L02/06/26CPU(-P) All versions, MELSEC L Series L26CPU-(P)BT All versions and MELIPC Series MI5122-VW All versions allows a remote unauthenticated attacker to cause a denial-of-service (DoS) condition by sending specially crafted packets. System reset is required for recovery.
{
"affected": [],
"aliases": [
"CVE-2021-20609"
],
"database_specific": {
"cwe_ids": [
"CWE-400"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2021-12-01T16:15:00Z",
"severity": "HIGH"
},
"details": "Uncontrolled Resource Consumption vulnerability in MELSEC iQ-R Series R00/01/02CPU Firmware versions \"24\" and prior, MELSEC iQ-R Series R04/08/16/32/120(EN)CPU Firmware versions \"57\" and prior, MELSEC iQ-R Series R08/16/32/120SFCPU All versions, MELSEC iQ-R Series R08/16/32/120PCPU Firmware versions \"29\" and prior, MELSEC iQ-R Series R08/16/32/120PSFCPU All versions, MELSEC iQ-R Series R16/32/64MTCPU All versions, MELSEC iQ-R Series R12CCPU-V All versions, MELSEC Q Series Q03UDECPU All versions, MELSEC Q Series Q04/06/10/13/20/26/50/100UDEHCPU All versions, MELSEC Q Series Q03/04/06/13/26UDVCPU The first 5 digits of serial No. \"23071\" and prior, MELSEC Q Series Q04/06/13/26UDPVCPU The first 5 digits of serial No. \"23071\" and prior, MELSEC Q Series Q12DCCPU-V All versions, MELSEC Q Series Q24DHCCPU-V(G) All versions, MELSEC Q Series Q24/26DHCCPU-LS All versions, MELSEC Q Series MR-MQ100 All versions, MELSEC Q Series Q172/173DCPU-S1 All versions, MELSEC Q Series Q172/172DSCPU All versions, MELSEC Q Series Q170MCPU All versions, MELSEC Q Series Q170MSCPU(-S1) All versions, MELSEC L Series L02/06/26CPU(-P) All versions, MELSEC L Series L26CPU-(P)BT All versions and MELIPC Series MI5122-VW All versions allows a remote unauthenticated attacker to cause a denial-of-service (DoS) condition by sending specially crafted packets. System reset is required for recovery.",
"id": "GHSA-x5r4-fjpr-vr8v",
"modified": "2022-04-27T00:00:52Z",
"published": "2021-12-02T00:00:37Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-20609"
},
{
"type": "WEB",
"url": "https://jvn.jp/vu/JVNVU94434051/index.html"
},
{
"type": "WEB",
"url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-334-02"
},
{
"type": "WEB",
"url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-019_en.pdf"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
cve-2021-20609
Vulnerability from cvelistv5
Published
2021-12-01 15:41
Modified
2024-08-03 17:45
Severity ?
EPSS score ?
Summary
Uncontrolled Resource Consumption vulnerability in Mitsubishi Electric MELSEC iQ-R Series R00/01/02CPU, MELSEC iQ-R Series R04/08/16/32/120(EN)CPU, MELSEC iQ-R Series R08/16/32/120SFCPU, MELSEC iQ-R Series R08/16/32/120PCPU, MELSEC iQ-R Series R08/16/32/120PSFCPU, MELSEC iQ-R Series R16/32/64MTCPU, MELSEC iQ-R Series R12CCPU-V, MELSEC Q Series Q03UDECPU, MELSEC Q Series Q04/06/10/13/20/26/50/100UDEHCPU, MELSEC Q Series Q03/04/06/13/26UDVCPU, MELSEC Q Series Q04/06/13/26UDPVCPU, MELSEC Q Series Q12DCCPU-V, MELSEC Q Series Q24DHCCPU-V(G), MELSEC Q Series Q24/26DHCCPU-LS, MELSEC Q Series MR-MQ100, MELSEC Q Series Q172/173DCPU-S1, MELSEC Q Series Q172/173DSCPU, MELSEC Q Series Q170MCPU, MELSEC Q Series Q170MSCPU(-S1), MELSEC L Series L02/06/26CPU(-P), MELSEC L Series L26CPU-(P)BT and MELIPC Series MI5122-VW allows a remote unauthenticated attacker to cause a denial-of-service (DoS) condition by sending specially crafted packets. System reset is required for recovery.
References
| ▼ | URL | Tags |
|---|---|---|
| https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-019_en.pdf | vendor-advisory | |
| https://jvn.jp/vu/JVNVU94434051/index.html | government-resource | |
| https://us-cert.cisa.gov/ics/advisories/icsa-21-334-02 | government-resource |
Impacted products
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-03T17:45:44.852Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
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"references": [
{
"tags": [
"vendor-advisory",
"x_transferred"
],
"url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-019_en.pdf"
},
{
"tags": [
"government-resource",
"x_transferred"
],
"url": "https://jvn.jp/vu/JVNVU94434051/index.html"
},
{
"tags": [
"government-resource",
"x_transferred"
],
"url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-334-02"
}
],
"title": "CVE Program Container"
}
],
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"affected": [
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-R Series R00CPU",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "Firmware versions \"24\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-R Series R01CPU",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "Firmware versions \"24\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-R Series R02CPU",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "Firmware versions \"24\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-R Series R04CPU",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "Firmware versions \"57\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-R Series R08CPU",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "Firmware versions \"57\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-R Series R16CPU",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "Firmware versions \"57\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-R Series R32CPU",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "Firmware versions \"57\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-R Series R120CPU",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "Firmware versions \"57\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-R Series R04ENCPU",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "Firmware versions \"57\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-R Series R08ENCPU",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "Firmware versions \"57\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-R Series R16ENCPU",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "Firmware versions \"57\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-R Series R32ENCPU",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "Firmware versions \"57\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-R Series R120ENCPU",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "Firmware versions \"57\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-R Series R08SFCPU",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "Firmware versions \"26\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-R Series R16SFCPU",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "Firmware versions \"26\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-R Series R32SFCPU",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "Firmware versions \"26\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-R Series R120SFCPU",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "Firmware versions \"26\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-R Series R08PCPU",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "Firmware versions \"29\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-R Series R16PCPU",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "Firmware versions \"29\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-R Series R32PCPU",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "Firmware versions \"29\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-R Series R120PCPU",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "Firmware versions \"29\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-R Series R08PSFCPU",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "Firmware versions \"08\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-R Series R16PSFCPU",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "Firmware versions \"08\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-R Series R32PSFCPU",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "Firmware versions \"08\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-R Series R120PSFCPU",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "Firmware versions \"08\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-R Series R16MTCPU",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "Operating system software version \"23\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-R Series R32MTCPU",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "Operating system software version \"23\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-R Series R64MTCPU",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "Operating system software version \"23\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC iQ-R Series R12CCPU-V",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "Firmware versions \"16\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC Q Series Q03UDECPU",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "The first 5 digits of serial No. \"23121\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC Q Series Q04UDEHCPU",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "The first 5 digits of serial No. \"23121\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC Q Series Q06UDEHCPU",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "The first 5 digits of serial No. \"23121\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC Q Series Q10UDEHCPU",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "The first 5 digits of serial No. \"23121\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC Q Series Q13UDEHCPU",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "The first 5 digits of serial No. \"23121\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC Q Series Q20UDEHCPU",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "The first 5 digits of serial No. \"23121\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC Q Series Q26UDEHCPU",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "The first 5 digits of serial No. \"23121\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC Q Series Q50UDEHCPU",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "The first 5 digits of serial No. \"23121\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC Q Series Q100UDEHCPU",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "The first 5 digits of serial No. \"23121\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC Q Series Q03UDVCPU",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "The first 5 digits of serial No. \"23071\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC Q Series Q04UDVCPU",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "The first 5 digits of serial No. \"23071\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC Q Series Q06UDVCPU",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "The first 5 digits of serial No. \"23071\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC Q Series Q13UDVCPU",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "The first 5 digits of serial No. \"23071\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC Q Series Q26UDVCPU",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "The first 5 digits of serial No. \"23071\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC Q Series Q04UDPVCPU",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "The first 5 digits of serial No. \"23071\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC Q Series Q06UDPVCPU",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "The first 5 digits of serial No. \"23071\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC Q Series Q13UDPVCPU",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "The first 5 digits of serial No. \"23071\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC Q Series Q26UDPVCPU",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "The first 5 digits of serial No. \"23071\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC Q Series Q12DCCPU-V",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "The first 5 digits of serial No. \"24031\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC Q Series Q24DHCCPU-V ",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "The first 5 digits of serial No. \"24031\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC Q Series Q24DHCCPU-VG",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "The first 5 digits of serial No. \"24031\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC Q Series Q24DHCCPU-LS",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "The first 5 digits of serial No. \"24031\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC Q Series Q26DHCCPU-LS",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "The first 5 digits of serial No. \"24031\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC Q Series MR-MQ100",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "Operating system software version \"F\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC Q Series Q172DCPU-S1",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "Operating system software version \"W\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC Q Series Q173DCPU-S1",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "Operating system software version \"W\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC Q Series Q172DSCPU",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "Operating system software version \"Y\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC Q Series Q173DSCPU",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "Operating system software version \"Y\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC Q Series Q170MCPU",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "Operating system software version \"W\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC Q Series Q170MSCPU",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "Operating system software version \"Y\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC Q Series Q170MSCPU-S1",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "Operating system software version \"Y\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC L Series L02CPU",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "The first 5 digits of serial No. \"23121\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC L Series L06CPU",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "The first 5 digits of serial No. \"23121\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC L Series L26CPU",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "The first 5 digits of serial No. \"23121\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC L Series L02CPU-P",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "The first 5 digits of serial No. \"23121\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC L Series L06CPU-P",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "The first 5 digits of serial No. \"23121\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC L Series L26CPU-P",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
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"status": "affected",
"version": "The first 5 digits of serial No. \"23121\" and prior"
}
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{
"defaultStatus": "unaffected",
"product": "MELSEC L Series L26CPU-BT",
"vendor": "Mitsubishi Electric Corporation",
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{
"status": "affected",
"version": "The first 5 digits of serial No. \"23121\" and prior"
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},
{
"defaultStatus": "unaffected",
"product": "MELSEC L Series L26CPU-PBT",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "The first 5 digits of serial No. \"23121\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELIPC Series MI5122-VW",
"vendor": "Mitsubishi Electric Corporation",
"versions": [
{
"status": "affected",
"version": "Firmware versions \"05\" and prior"
}
]
}
],
"descriptions": [
{
"lang": "en",
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"value": "Uncontrolled Resource Consumption vulnerability in Mitsubishi Electric MELSEC iQ-R Series R00/01/02CPU, MELSEC iQ-R Series R04/08/16/32/120(EN)CPU, MELSEC iQ-R Series R08/16/32/120SFCPU, MELSEC iQ-R Series R08/16/32/120PCPU, MELSEC iQ-R Series R08/16/32/120PSFCPU, MELSEC iQ-R Series R16/32/64MTCPU, MELSEC iQ-R Series R12CCPU-V, MELSEC Q Series Q03UDECPU, MELSEC Q Series Q04/06/10/13/20/26/50/100UDEHCPU, MELSEC Q Series Q03/04/06/13/26UDVCPU, MELSEC Q Series Q04/06/13/26UDPVCPU, MELSEC Q Series Q12DCCPU-V, MELSEC Q Series Q24DHCCPU-V(G), MELSEC Q Series Q24/26DHCCPU-LS, MELSEC Q Series MR-MQ100, MELSEC Q Series Q172/173DCPU-S1, MELSEC Q Series Q172/173DSCPU, MELSEC Q Series Q170MCPU, MELSEC Q Series Q170MSCPU(-S1), MELSEC L Series L02/06/26CPU(-P), MELSEC L Series L26CPU-(P)BT and MELIPC Series MI5122-VW allows a remote unauthenticated attacker to cause a denial-of-service (DoS) condition by sending specially crafted packets. System reset is required for recovery."
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"value": "Uncontrolled Resource Consumption vulnerability in Mitsubishi Electric MELSEC iQ-R Series R00/01/02CPU, MELSEC iQ-R Series R04/08/16/32/120(EN)CPU, MELSEC iQ-R Series R08/16/32/120SFCPU, MELSEC iQ-R Series R08/16/32/120PCPU, MELSEC iQ-R Series R08/16/32/120PSFCPU, MELSEC iQ-R Series R16/32/64MTCPU, MELSEC iQ-R Series R12CCPU-V, MELSEC Q Series Q03UDECPU, MELSEC Q Series Q04/06/10/13/20/26/50/100UDEHCPU, MELSEC Q Series Q03/04/06/13/26UDVCPU, MELSEC Q Series Q04/06/13/26UDPVCPU, MELSEC Q Series Q12DCCPU-V, MELSEC Q Series Q24DHCCPU-V(G), MELSEC Q Series Q24/26DHCCPU-LS, MELSEC Q Series MR-MQ100, MELSEC Q Series Q172/173DCPU-S1, MELSEC Q Series Q172/173DSCPU, MELSEC Q Series Q170MCPU, MELSEC Q Series Q170MSCPU(-S1), MELSEC L Series L02/06/26CPU(-P), MELSEC L Series L26CPU-(P)BT and MELIPC Series MI5122-VW allows a remote unauthenticated attacker to cause a denial-of-service (DoS) condition by sending specially crafted packets. System reset is required for recovery."
}
],
"impacts": [
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"descriptions": [
{
"lang": "en",
"value": "Denial of Service"
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"metrics": [
{
"cvssV3_1": {
"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"
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"format": "CVSS",
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"value": "GENERAL"
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"problemTypes": [
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"descriptions": [
{
"cweId": "CWE-400",
"description": "CWE-400 Uncontrolled Resource Consumption",
"lang": "en",
"type": "CWE"
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}
],
"providerMetadata": {
"dateUpdated": "2023-11-09T08:22:47.621Z",
"orgId": "e0f77b61-78fd-4786-b3fb-1ee347a748ad",
"shortName": "Mitsubishi"
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"references": [
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"tags": [
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"url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-019_en.pdf"
},
{
"tags": [
"government-resource"
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"url": "https://jvn.jp/vu/JVNVU94434051/index.html"
},
{
"tags": [
"government-resource"
],
"url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-334-02"
}
],
"source": {
"discovery": "UNKNOWN"
},
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"cveId": "CVE-2021-20609",
"datePublished": "2021-12-01T15:41:20",
"dateReserved": "2020-12-17T00:00:00",
"dateUpdated": "2024-08-03T17:45:44.852Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
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- 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.