{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-10T10:49:07.718","vulnerabilities":[{"cve":{"id":"CVE-2021-31889","sourceIdentifier":"productcert@siemens.com","published":"2021-11-09T12:15:09.693","lastModified":"2024-11-21T06:06:26.400","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"A vulnerability has been identified in Capital Embedded AR Classic 431-422 (All versions), Capital Embedded AR Classic R20-11 (All versions < V2303), PLUSCONTROL 1st Gen (All versions), SIMOTICS CONNECT 400 (All versions < V0.5.0.0). Malformed TCP packets with a corrupted SACK option leads to Information Leaks and Denial-of-Service conditions. (FSMD-2021-0015)"},{"lang":"es","value":"Se ha identificado una vulnerabilidad en APOGEE MBC (PPC) (BACnet) (Todas las versiones), APOGEE MBC (PPC) (P2 Ethernet) (Todas las versiones), APOGEE MEC (PPC) (BACnet) (Todas las versiones), APOGEE MEC (PPC) (P2 Ethernet) (Todas las versiones), APOGEE PXC Compact (BACnet) (Todas las versiones anteriores a V3. 5.4), APOGEE PXC Compact (P2 Ethernet) (Todas las versiones anteriores a V2.8.19), APOGEE PXC Modular (BACnet) (Todas las versiones anteriores a V3.5. 4), APOGEE PXC Modular (P2 Ethernet) (Todas las versiones anteriores a V2.8.19), Capital VSTAR (Todas las versiones con opciones de Ethernet habilitadas), Desigo PXC00-E.D (Todas las versiones posteriores o iguales a V2.3 y anteriores a V6.30. 016), Desigo PXC00-U (Todas las versiones posteriores o iguales a V2.3 y anteriores a V6.30.016), Desigo PXC001-E.D (Todas las versiones posteriores o iguales a V2.3 y anteriores a V6.30.016), Desigo PXC100-E.D (Todas las versiones posteriores o iguales a V2.3 y anteriores a V6.30.016), Desigo PXC12-E.D (Todas las versiones posteriores o iguales a V2. 3 y anteriores a V6.30.016), Desigo PXC128-U (Todas las versiones posteriores o iguales a V2.3 y anteriores a V6.30.016), Desigo PXC200-E.D (Todas las versiones posteriores o iguales a V2.3 y anteriores a V6.30.016), Desigo PXC22-E.D (Todas las versiones posteriores o iguales a V2.3 y anteriores a V6.30.016), Desigo PXC22. 1-E.D (Todas las versiones posteriores o iguales a V2.3 y anteriores a V6.30.016), Desigo PXC36.1-E.D (Todas las versiones posteriores o iguales a V2.3 y anteriores a V6.30.016), Desigo PXC50-E.D (Todas las versiones posteriores o iguales a V2.3 y anteriores a V6.30.016), Desigo PXC64-U (Todas las versiones posteriores o iguales a V2. 3 y anteriores a V6.30.016), Desigo PXM20-E (Todas las versiones posteriores o iguales a V2.3 y anteriores a V6.30.016), Nucleus NET (Todas las versiones), Nucleus ReadyStart V3 (Todas las versiones anteriores a V2017.02. 4), Nucleus Source Code (Todas las versiones), PLUSCONTROL 1st Gen (Todas las versiones), SIMOTICS CONNECT 400 (Todas las versiones anteriores a V0.5.0.0), TALON TC Compact (BACnet) (Todas las versiones anteriores a V3.5.4), TALON TC Modular (BACnet) (Todas las versiones anteriores a V3.5.4). Los paquetes TCP malformados con una opción SACK corrupta provocan fugas de información y condiciones de denegación de servicio. (FSMD-2021-0015)"}],"metrics":{"cvssMetricV31":[{"source":"productcert@siemens.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","baseScore":9.1,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":5.2}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:P/I:N/A:P","baseScore":6.4,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"NONE","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":10.0,"impactScore":4.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"productcert@siemens.com","type":"Secondary","description":[{"lang":"en","value":"CWE-191"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:siemens:capital_vstar:*:*:*:*:*:*:*:*","matchCriteriaId":"3EC45D63-0FB7-4995-AF45-B41F6EF6A9E2"},{"vulnerable":true,"criteria":"cpe:2.3:a:siemens:nucleus_net:*:*:*:*:*:*:*:*","matchCriteriaId":"7A987CFB-4A41-4F82-8C7F-31DE8F0650DE"},{"vulnerable":true,"criteria":"cpe:2.3:a:siemens:nucleus_readystart_v3:*:*:*:*:*:*:*:*","versionEndExcluding":"2017.02.3","matchCriteriaId":"EC33F30E-EEA1-452E-8EFE-28ADA88E3F56"},{"vulnerable":true,"criteria":"cpe:2.3:a:siemens:nucleus_source_code:*:*:*:*:*:*:*:*","matchCriteriaId":"07DAF9C3-B56A-4F40-B90B-D0DE96869A44"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:siemens:apogee_modular_building_controller_firmware:*:*:*:*:*:*:*:*","matchCriteriaId":"60FAD4D8-54FA-4721-954E-4AD77020B189"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:siemens:apogee_modular_building_controller:-:*:*:*:*:*:*:*","matchCriteriaId":"B5F978E7-3DD9-4948-BFFB-E7273003477B"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:siemens:apogee_modular_equiment_controller_firmware:*:*:*:*:*:*:*:*","matchCriteriaId":"ACCB699F-4F10-47BD-8890-047380972BE1"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:siemens:apogee_modular_equiment_controller:-:*:*:*:*:*:*:*","matchCriteriaId":"7945BF7D-AB3A-4285-9C58-D56149ADFC15"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:siemens:apogee_pxc_compact_firmware:*:*:*:*:*:*:*:*","matchCriteriaId":"105A6FFB-1176-4021-868D-3D6CE77113B2"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:siemens:apogee_pxc_compact:-:*:*:*:*:*:*:*","matchCriteriaId":"8E2E8B0F-EBBC-4BCC-BE2A-20DCB506DF7F"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:siemens:apogee_pxc_modular_firmware:*:*:*:*:*:*:*:*","matchCriteriaId":"C6BE40AF-B7A4-498A-943E-11AA9393A3D6"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:siemens:apogee_pxc_modular:-:*:*:*:*:*:*:*","matchCriteriaId":"D9485F0B-03E0-4442-B615-2DA91AE1CD00"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:siemens:talon_tc_compact_firmware:*:*:*:*:*:*:*:*","matchCriteriaId":"0CA14719-C655-4BED-AE8D-B9C983847AE4"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:siemens:talon_tc_compact:-:*:*:*:*:*:*:*","matchCriteriaId":"46D32EF0-8AEC-4594-8928-45F34DC60600"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:siemens:talon_tc_modular_firmware:*:*:*:*:*:*:*:*","matchCriteriaId":"1F3470FD-BEBE-465F-A189-F4CEDD0F6815"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:siemens:talon_tc_modular:-:*:*:*:*:*:*:*","matchCriteriaId":"00C647D8-1725-42FA-8042-6C413EE67573"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:siemens:apogee_modular_building_controller_firmware:*:*:*:*:*:*:*:*","matchCriteriaId":"60FAD4D8-54FA-4721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