{ "id": "CVE-2021-22699", "sourceIdentifier": "cybersecurity@se.com", "published": "2021-05-26T20:15:08.863", "lastModified": "2022-02-03T16:14:39.753", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "Improper Input Validation vulnerability exists in Modicon M241/M251 logic controllers firmware prior to V5.1.9.1 that could cause denial of service when specific crafted requests are sent to the controller over HTTP." }, { "lang": "es", "value": "Se presenta una vulnerabilidad de Comprobaci\u00f3n Inapropiada de Entrada en los controladores l\u00f3gicos Modicon M241/M251 versiones del firmware anteriores a V5.1.9.1, que podr\u00eda causar una denegaci\u00f3n de servicio cuando peticiones espec\u00edficas dise\u00f1adas son enviadas al controlador a trav\u00e9s de HTTP" } ], "metrics": { "cvssMetricV31": [ { "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:N/I:N/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH" }, "exploitabilityScore": 3.9, "impactScore": 3.6 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.8 }, "baseSeverity": "HIGH", "exploitabilityScore": 10.0, "impactScore": 6.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "cybersecurity@se.com", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-20" } ] } ], "configurations": [ { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:schneider-electric:modicon_m241_firmware:*:*:*:*:*:*:*:*", "versionEndExcluding": "5.1.9.1", "matchCriteriaId": "065A43F6-B681-4E77-928F-21C7D0304E8F" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:schneider-electric:modicon_m241:-:*:*:*:*:*:*:*", "matchCriteriaId": "4D8FD9D9-F59F-470E-9F7F-CDDD80B0633C" } ] } ] }, { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:schneider-electric:modicon_m251_firmware:*:*:*:*:*:*:*:*", "versionEndExcluding": "5.1.9.1", "matchCriteriaId": "A1E8B350-5B42-4D18-B7A4-A232BC947727" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:schneider-electric:modicon_m251:-:*:*:*:*:*:*:*", "matchCriteriaId": "B8E03A25-B0B6-4BA2-80BC-52C16A6837E0" } ] } ] } ], "references": [ { "url": "https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-130-05", "source": "cybersecurity@se.com", "tags": [ "Vendor Advisory" ] } ] }