What is the CVSS score of CVE-2025-66323?

CVE-2025-66323 has a CVSS 3.1 base score of 5.3 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L. EPSS exploitation probability: 0.0%.

Which versions of Harmonyos are affected by CVE-2025-66323?

CVE-2025-66323 presents moderate security risk rated CVSS 5.3. Exploitation could compromise the security of affected deployments.

How to fix or mitigate CVE-2025-66323?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Harmonyos CVE-2025-66323

EUVD-2025-201686 MEDIUM

Improperly Implemented Security Check for Standard (CWE-358)

2025-12-08 psirt@huawei.com

Information Disclosure Harmonyos

5.3

CVSS 3.1

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

Lifecycle Timeline

EUVD ID Assigned

Mar 15, 2026 - 17:54 euvd

EUVD-2025-201686

Analysis Generated

Mar 15, 2026 - 17:54 vuln.today

CVE Published

Dec 08, 2025 - 08:15 nvd

MEDIUM 5.3

DescriptionNVD

Vulnerability of improper criterion security check in the card module. Impact: Successful exploitation of this vulnerability may affect availability.

AnalysisAI

CVE-2025-66323 is a security vulnerability (CVSS 5.3). Remediation should follow standard vulnerability management procedures.

Technical ContextAI

Vulnerability type not specified by vendor.

RemediationAI

Monitor vendor channels for patch availability.

CVE-2025-66323 vulnerability details – vuln.today

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