CVE-2021-33527 - Vulnerability Details - OpenCVE

In MB connect line mbDIALUP versions <= 3.9R0.0 a remote attacker can send a specifically crafted HTTP request to the service running with NT AUTHORITY\SYSTEM that will not correctly validate the input. This can lead to an arbitrary code execution with the privileges of the service.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Complete

Integrity Impact Complete

Availability Impact Complete

This CVE is not in the KEV list.

The EPSS score is 0.06378.

Key SSVC decision points have not yet been added.

Vendors	Products
Mbconnectline	Mbdialup

Configuration 1 [-]

cpe:2.3:a:mbconnectline:mbdialup:*:*:*:*:*:*:*:*

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2021-20219	In MB connect line mbDIALUP versions <= 3.9R0.0 a remote attacker can send a specifically crafted HTTP request to the service running with NT AUTHORITY\SYSTEM that will not correctly validate the input. This can lead to an arbitrary code execution with the privileges of the service.

Fixes

Solution

Update to version 3.9R0.5

Workaround

No workaround given by the vendor.

References

Link	Providers
https://cert.vde.com/de-de/advisories/vde-2021-017

History

No history.

MITRE

Status: PUBLISHED

Assigner: CERTVDE

Published: 2021-08-02T10:24:31.012186Z

Updated: 2024-09-16T17:42:36.084Z

Reserved: 2021-05-24T00:00:00

Link: CVE-2021-33527

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-08-02T11:15:11.287

Modified: 2024-11-21T06:09:00.660

Link: CVE-2021-33527

Redhat

No data.

OpenCVE Enrichment

No data.

{"containers": {"cna": {"affected": [{"product": "mbDIALUP", "vendor": "MB connect line", "versions": [{"lessThanOrEqual": "3.9R0.0", "status": "affected", "version": "3.9R0.0", "versionType": "custom"}]}], "credits": [{"lang": "en", "value": "Noam Moshe of Claroty reported this vulnerability to MB connect line GmbH. CERT@VDE coordinated."}], "datePublic": "2021-07-23T00:00:00", "descriptions": [{"lang": "en", "value": "In MB connect line mbDIALUP versions <= 3.9R0.0 a remote attacker can send a specifically crafted HTTP request to the service running with NT AUTHORITY\\SYSTEM that will not correctly validate the input. This can lead to an arbitrary code execution with the privileges of the service."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-20", "description": "CWE-20 Improper Input Validation", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2022-04-29T09:20:09", "orgId": "270ccfa6-a436-4e77-922e-914ec3a9685c", "shortName": "CERTVDE"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://cert.vde.com/de-de/advisories/vde-2021-017"}], "solutions": [{"lang": "en", "value": "Update to version 3.9R0.5"}], "source": {"advisory": "VDE-2021-017", "discovery": "EXTERNAL"}, "title": "OS Command Injection in mbDIALUP <= 3.9R0.0", "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "info@cert.vde.com", "DATE_PUBLIC": "2021-07-23T12:50:00.000Z", "ID": "CVE-2021-33527", "STATE": "PUBLIC", "TITLE": "OS Command Injection in mbDIALUP <= 3.9R0.0"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "mbDIALUP", "version": {"version_data": [{"version_affected": "<=", "version_name": "3.9R0.0", "version_value": "3.9R0.0"}]}}]}, "vendor_name": "MB connect line"}]}}, "credit": [{"lang": "eng", "value": "Noam Moshe of Claroty reported this vulnerability to MB connect line GmbH. CERT@VDE coordinated."}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "In MB connect line mbDIALUP versions <= 3.9R0.0 a remote attacker can send a specifically crafted HTTP request to the service running with NT AUTHORITY\\SYSTEM that will not correctly validate the input. This can lead to an arbitrary code execution with the privileges of the service."}]}, "generator": {"engine": "Vulnogram 0.0.9"}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-20 Improper Input Validation"}]}]}, "references": {"reference_data": [{"name": "https://cert.vde.com/de-de/advisories/vde-2021-017", "refsource": "CONFIRM", "url": "https://cert.vde.com/de-de/advisories/vde-2021-017"}]}, "solution": [{"lang": "en", "value": "Update to version 3.9R0.5"}], "source": {"advisory": "VDE-2021-017", "discovery": "EXTERNAL"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T23:50:42.984Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://cert.vde.com/de-de/advisories/vde-2021-017"}]}]}, "cveMetadata": {"assignerOrgId": "270ccfa6-a436-4e77-922e-914ec3a9685c", "assignerShortName": "CERTVDE", "cveId": "CVE-2021-33527", "datePublished": "2021-08-02T10:24:31.012186Z", "dateReserved": "2021-05-24T00:00:00", "dateUpdated": "2024-09-16T17:42:36.084Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mbconnectline:mbdialup:*:*:*:*:*:*:*:*", "matchCriteriaId": "C0769704-3781-41C1-B70E-AE4B53CDFCA6", "versionEndIncluding": "3.9r0.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "In MB connect line mbDIALUP versions <= 3.9R0.0 a remote attacker can send a specifically crafted HTTP request to the service running with NT AUTHORITY\\SYSTEM that will not correctly validate the input. This can lead to an arbitrary code execution with the privileges of the service."}, {"lang": "es", "value": "En las versiones de MB connect line mbDIALUP versiones anteriores o iguales a 3.9R0.0 un atacante remoto puede enviar una petici\u00f3n HTTP espec\u00edficamente dise\u00f1ada al servicio que se ejecuta con NT AUTHORITY\\SYSTEM que no valide correctamente la entrada. Esto puede llevar a una ejecuci\u00f3n de c\u00f3digo arbitrario con los privilegios del servicio"}], "id": "CVE-2021-33527", "lastModified": "2024-11-21T06:09:00.660", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 10.0, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "info@cert.vde.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Secondary"}]}, "published": "2021-08-02T11:15:11.287", "references": [{"source": "info@cert.vde.com", "tags": ["Third Party Advisory"], "url": "https://cert.vde.com/de-de/advisories/vde-2021-017"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://cert.vde.com/de-de/advisories/vde-2021-017"}], "sourceIdentifier": "info@cert.vde.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "info@cert.vde.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": "Secondary"}]}