CVE-2021-22699

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.

CVSS v3 7.5 HIGH
CVSS v2.0 7.8 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

7.8^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:C

Exploitability : 10.0 / Impact : 6.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-130-05	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:schneider-electric:modicon_m241_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:schneider-electric:modicon_m241:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:schneider-electric:modicon_m251_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:schneider-electric:modicon_m251:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2021-05-26 20:15

Updated : 2024-02-28 18:28

NVD link : CVE-2021-22699

Mitre link : CVE-2021-22699

CVE.ORG link : CVE-2021-22699

JSON object : View

Products Affected

schneider-electric

modicon_m251
modicon_m251_firmware
modicon_m241_firmware
modicon_m241

CWE

CWE-20

Improper Input Validation

{"id": "CVE-2021-22699", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 6.9, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2021-05-26T20:15:08.863", "references": [{"url": "https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-130-05", "tags": ["Vendor Advisory"], "source": "cybersecurity@se.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "cybersecurity@se.com", "description": [{"lang": "en", "value": "CWE-20"}]}], "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"}], "lastModified": "2022-02-03T16:14:39.753", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:schneider-electric:modicon_m241_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "065A43F6-B681-4E77-928F-21C7D0304E8F", "versionEndExcluding": "5.1.9.1"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:schneider-electric:modicon_m241:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "4D8FD9D9-F59F-470E-9F7F-CDDD80B0633C"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:schneider-electric:modicon_m251_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A1E8B350-5B42-4D18-B7A4-A232BC947727", "versionEndExcluding": "5.1.9.1"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:schneider-electric:modicon_m251:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "B8E03A25-B0B6-4BA2-80BC-52C16A6837E0"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cybersecurity@se.com"}