CVE-2023-28806

An Improper Validation of signature in Zscaler Client Connector on Windows allows an authenticated user to disable anti-tampering. This issue affects Client Connector on Windows <4.2.0.190.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=windows&applicable_version=4.2.0.190	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:zscaler:client_connector:*:*:*:*:*:windows:*:*

History

07 Aug 2024, 21:29

Type	Values Removed	Values Added
First Time		Zscaler client Connector Zscaler
CPE		cpe:2.3:a:zscaler:client_connector::::::windows::*
CVSS	v2 : ~~unknown~~ v3 : ~~5.7~~	v2 : unknown v3 : 6.5
Summary		(es) Una validación incorrecta de la firma en Zscaler Client Connector en Windows permite a un usuario autenticado desactivar la manipulación. Este problema afecta a Client Connector en Windows <4.2.0.190.
References	~~() https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=windows&applicable_version=4.2.0.190 -~~	() https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=windows&applicable_version=4.2.0.190 - Vendor Advisory

06 Aug 2024, 16:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2024-08-06 16:15

Updated : 2024-08-07 21:29

NVD link : CVE-2023-28806

Mitre link : CVE-2023-28806

CVE.ORG link : CVE-2023-28806

JSON object : View

Products Affected

zscaler

client_connector

CWE

CWE-347

Improper Verification of Cryptographic Signature

{"id": "CVE-2023-28806", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.8}, {"type": "Secondary", "source": "cve@zscaler.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.7, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 0.5}]}, "published": "2024-08-06T16:15:46.453", "references": [{"url": "https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=windows&applicable_version=4.2.0.190", "tags": ["Vendor Advisory"], "source": "cve@zscaler.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-347"}]}, {"type": "Secondary", "source": "cve@zscaler.com", "description": [{"lang": "en", "value": "CWE-347"}]}], "descriptions": [{"lang": "en", "value": "An Improper Validation of signature in Zscaler Client Connector on Windows allows an authenticated user to disable anti-tampering. This issue affects Client Connector on Windows <4.2.0.190."}, {"lang": "es", "value": "Una validaci\u00f3n incorrecta de la firma en Zscaler Client Connector en Windows permite a un usuario autenticado desactivar la manipulaci\u00f3n. Este problema afecta a Client Connector en Windows <4.2.0.190."}], "lastModified": "2024-08-07T21:29:17.760", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:zscaler:client_connector:*:*:*:*:*:windows:*:*", "vulnerable": true, "matchCriteriaId": "260C3474-C82C-4E8A-9C63-FABD53E163BD", "versionEndExcluding": "4.2.0.190"}], "operator": "OR"}]}], "sourceIdentifier": "cve@zscaler.com"}