fkie_cve-2021-20594
Vulnerability from fkie_nvd
Published
2021-08-06 17:15
Modified
2024-11-21 05:46
Severity ?
Summary
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Mitsubishi Electric MELSEC iQ-R series Safety CPU modules R08/16/32/120SFCPU firmware versions "26" and prior and Mitsubishi Electric MELSEC iQ-R series SIL2 Process CPU modules R08/16/32/120PSFCPU firmware versions "11" and prior allows a remote unauthenticated attacker to acquire legitimate user names registered in the module via brute-force attack on user names.
References
Impacted products
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Mitsubishi Electric MELSEC iQ-R series SIL2 Process CPU modules R08/16/32/120PSFCPU firmware versions \"11\" and prior allows a remote unauthenticated attacker to acquire legitimate user names registered in the module via brute-force attack on user names." }, { "lang": "es", "value": "La exposici\u00f3n de informaci\u00f3n sensible a un actor no autorizado es una vulnerabilidad en los m\u00f3dulos de CPU de seguridad de la serie MELSEC iQ-R de Mitsubishi Electric R08/16/32/120SFCPU, versiones de firmware \"26\" y anteriores, y en los m\u00f3dulos de CPU de proceso SIL2 de la serie MELSEC iQ-R de Mitsubishi Electric R08/16/32/120PSFCPU, todas las versiones, que permite a un atacante remoto no autenticado adquirir nombres de usuario leg\u00edtimos registrados en el m\u00f3dulo mediante un ataque de fuerza bruta a los nombres de usuario" } ], "id": "CVE-2021-20594", "lastModified": "2024-11-21T05:46:50.623", "metrics": { "cvssMetricV2": [ { "acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": { "accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0" }, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false } ], "cvssMetricV31": [ { "cvssData": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1" }, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary" } ] }, "published": "2021-08-06T17:15:07.103", "references": [ { "source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp", "tags": [ "Third Party Advisory" ], "url": "https://jvn.jp/vu/JVNVU98578731/index.html" }, { "source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp", "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-250-01" }, { "source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp", "tags": [ "Vendor Advisory" ], "url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-008_en.pdf" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "https://jvn.jp/vu/JVNVU98578731/index.html" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-250-01" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Vendor Advisory" ], "url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-008_en.pdf" } ], "sourceIdentifier": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp", "vulnStatus": "Modified", "weaknesses": [ { "description": [ { "lang": "en", "value": "CWE-200" } ], "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.