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EUVD-2026-21688
European Vulnerability Database identifier assigned by ENISAReserved
2026-10-02 06:00
Assigner
ENISA
Alias of
a CVE record, shown under related vulnerabilities.
This identifier carries no description, severity or references of its own:
they belong to that CVE.
{
"assigner": "ENISA",
"date_reserved": "2026-10-02T06:00:06.747411+00:00",
"id": "EUVD-2026-21688"
}
CVE-2021-20609 (GCVE-0-2021-20609)
Vulnerability from cvelistv5 – Published: 2021-12-01 15:41 – Updated: 2024-08-03 17:45
VLAI
EPSS
VEX
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.
Severity
7.5 (High)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.mitsubishielectric.com/en/psirt/vulne… | 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
69 products
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"providerMetadata": {
"dateUpdated": "2024-08-03T17:45:44.852Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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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"
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"tags": [
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"url": "https://jvn.jp/vu/JVNVU94434051/index.html"
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"tags": [
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"url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-334-02"
}
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"title": "CVE Program Container"
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],
"cna": {
"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": [
{
"status": "affected",
"version": "The first 5 digits of serial No. \"23121\" and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MELSEC L Series L26CPU-BT",
"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-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",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"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."
}
],
"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": [
{
"descriptions": [
{
"lang": "en",
"value": "Denial of Service"
}
]
}
],
"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"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-400",
"description": "CWE-400 Uncontrolled Resource Consumption",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2023-11-09T08:22:47.621Z",
"orgId": "e0f77b61-78fd-4786-b3fb-1ee347a748ad",
"shortName": "Mitsubishi"
},
"references": [
{
"tags": [
"vendor-advisory"
],
"url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-019_en.pdf"
},
{
"tags": [
"government-resource"
],
"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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},
"cveMetadata": {
"assignerOrgId": "e0f77b61-78fd-4786-b3fb-1ee347a748ad",
"assignerShortName": "Mitsubishi",
"cveId": "CVE-2021-20609",
"datePublished": "2021-12-01T15:41:20.000Z",
"dateReserved": "2020-12-17T00:00:00.000Z",
"dateUpdated": "2024-08-03T17:45:44.852Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
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Trend slope:
-
(linear fit over daily sighting counts)
Show additional events:
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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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