CVE-2021-20590

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GT2107-WTBD versiones 01.40.000 y anteriores, servidor VNC de la serie GOT2000 modelo GT2107-WTSD versiones 01.40. 000 y anteriores, el servidor VNC de la serie GOT SIMPLE GS21 modelo GS2110-WTBD-N versiones 01.40.000 y anteriores y el servidor VNC de la serie GOT SIMPLE GS21 modelo GS2107-WTBD-N versiones 01.40.000 y anteriores permite a un atacante remoto no autenticado obtener acceso no autorizado a trav\u00e9s de paquetes especialmente dise\u00f1ados cuando se utiliza la funci\u00f3n \"servidor VNC\"."}], "id": "CVE-2021-20590", "lastModified": "2026-06-17T03:34:04.550", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "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": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-04-22T19:15:07.363", "references": [{"source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp", "url": "https://jvn.jp/vu/JVNVU97615777/index.html"}, {"source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp", "url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-001_en.pdf"}, {"source": 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