CVE-2021-42711

Barracuda Network Access Client before 5.2.2 creates a Temporary File in a Directory with Insecure Permissions. This file is executed with SYSTEM privileges when an unprivileged user performs a repair operation.

CVSS v3 7.8 HIGH
CVSS v2.0 7.2 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.2^/10

CVSS v2.0 : HIGH

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

Exploitability : 3.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://github.com/mandiant/Vulnerability-Disclosures/blob/master/MNDT-2021-0010/MNDT-2021-0010.md	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:barracuda:network_access_client:*:*:*:*:*:windows:*:*

History

No history.

Information

Published : 2021-12-01 23:15

Updated : 2024-02-28 18:48

NVD link : CVE-2021-42711

Mitre link : CVE-2021-42711

CVE.ORG link : CVE-2021-42711

JSON object : View

Products Affected

barracuda

network_access_client

CWE

CWE-276

Incorrect Default Permissions

{"id": "CVE-2021-42711", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.2, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2021-12-01T23:15:07.527", "references": [{"url": "https://github.com/mandiant/Vulnerability-Disclosures/blob/master/MNDT-2021-0010/MNDT-2021-0010.md", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-276"}]}], "descriptions": [{"lang": "en", "value": "Barracuda Network Access Client before 5.2.2 creates a Temporary File in a Directory with Insecure Permissions. This file is executed with SYSTEM privileges when an unprivileged user performs a repair operation."}, {"lang": "es", "value": "Barracuda Network Access Client versiones anteriores a 5.2.2, crea un Archivo Temporal en un Directorio con Permisos no Seguros. Este archivo ser\u00e1 ejecutado con privilegios SYSTEM cuando un usuario no privilegiado lleva a cabo una operaci\u00f3n de reparaci\u00f3n"}], "lastModified": "2021-12-03T17:34:33.740", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:barracuda:network_access_client:*:*:*:*:*:windows:*:*", "vulnerable": true, "matchCriteriaId": "9ACD4509-5CEB-44AB-824C-0B03F249D6E5", "versionEndExcluding": "5.2.2"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}