fkie_cve-2021-20612
Vulnerability from fkie_nvd
Published
2022-01-14 20:15
Modified
2024-11-21 05:46
Severity ?
Summary
Lack of administrator control over security vulnerability in MELSEC-F series FX3U-ENET Firmware version 1.14 and prior, FX3U-ENET-L Firmware version 1.14 and prior and FX3U-ENET-P502 Firmware version 1.14 and prior allows a remote unauthenticated attacker to cause a denial-of-service (DoS) condition in communication function of the product or other unspecified effects by sending specially crafted packets to an unnecessary opening of TCP port. Control by MELSEC-F series PLC is not affected by this vulnerability, but system reset is required for recovery.
References
▶ | URL | Tags | |
---|---|---|---|
Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp | https://jvn.jp/vu/JVNVU93268332/index.html | Third Party Advisory, VDB Entry | |
Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp | https://www.cisa.gov/uscert/ics/advisories/icsa-22-013-01 | Third Party Advisory, US Government Resource | |
Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp | https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-023_en.pdf | Vendor Advisory | |
af854a3a-2127-422b-91ae-364da2661108 | https://jvn.jp/vu/JVNVU93268332/index.html | Third Party Advisory, VDB Entry | |
af854a3a-2127-422b-91ae-364da2661108 | https://www.cisa.gov/uscert/ics/advisories/icsa-22-013-01 | Third Party Advisory, US Government Resource | |
af854a3a-2127-422b-91ae-364da2661108 | https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-023_en.pdf | Vendor Advisory |
Impacted products
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Control by MELSEC-F series PLC is not affected by this vulnerability, but system reset is required for recovery." }, { "lang": "es", "value": "Una falta de control del administrador sobre la vulnerabilidad de seguridad en la serie MELSEC-F FX3U-ENET Firmware versi\u00f3n 1.14 y anteriores, FX3U-ENET-L Firmware versi\u00f3n 1.14 y anteriores y FX3U-ENET-P502 Firmware versi\u00f3n 1.14 y anteriores permite que un atacante remoto no autenticado cause una condici\u00f3n de denegaci\u00f3n de servicio (DoS) en la funci\u00f3n de comunicaci\u00f3n del producto u otros efectos no especificados mediante el env\u00edo de paquetes especialmente dise\u00f1ados a una apertura no necesaria del puerto TCP. El control por parte del PLC de la serie MELSEC-F no est\u00e1 afectado por esta vulnerabilidad, pero es necesario reiniciar el sistema para recuperarlo" } ], "id": "CVE-2021-20612", "lastModified": "2024-11-21T05:46:52.860", "metrics": { "cvssMetricV2": [ { "acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": { "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, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false } ], "cvssMetricV31": [ { "cvssData": { "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, "source": "nvd@nist.gov", "type": "Primary" } ] }, "published": "2022-01-14T20:15:09.850", "references": [ { "source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp", "tags": [ "Third Party Advisory", "VDB Entry" ], "url": "https://jvn.jp/vu/JVNVU93268332/index.html" }, { "source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp", "tags": [ "Third Party Advisory", "US Government Resource" ], "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-22-013-01" }, { "source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp", "tags": [ "Vendor Advisory" ], "url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-023_en.pdf" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory", "VDB Entry" ], "url": "https://jvn.jp/vu/JVNVU93268332/index.html" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory", "US Government Resource" ], "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-22-013-01" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Vendor Advisory" ], "url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-023_en.pdf" } ], "sourceIdentifier": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp", "vulnStatus": "Modified", "weaknesses": [ { "description": [ { "lang": "en", "value": "NVD-CWE-Other" } ], "source": "nvd@nist.gov", "type": "Primary" } ] }
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Sightings
Author | Source | Type | Date |
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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.
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