What is the CVSS score of CVE-2018-4301?

CVE-2018-4301 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.4%.

Which versions of Smart Card Services are affected by CVE-2018-4301?

Organizations using This face critical risk from CVE-2018-4301, a buffer overflow vulnerability rated CVSS 9.8.

How to fix or mitigate CVE-2018-4301?

Within 7 days: Identify all affected systems and apply vendor patches promptly. If patching is delayed, consider network segmentation to limit exposure.

Smart Card Services CVE-2018-4301

CRITICAL

Classic Buffer Overflow (CWE-120)

2025-01-08 product-security@apple.com

Buffer Overflow Smart Card Services

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:02 vuln.today

CVE Published

Jan 08, 2025 - 00:15 nvd

CRITICAL 9.8

DescriptionCVE.org

This issue is fixed in SCSSU-201801. A potential stack based buffer overflow existed in GemaltoKeyHandle.cpp.

AnalysisAI

This issue is fixed in SCSSU-201801. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Buffer Copy without Size Check (CWE-120), which allows attackers to overflow a buffer to corrupt adjacent memory. This issue is fixed in SCSSU-201801. A potential stack based buffer overflow existed in GemaltoKeyHandle.cpp. Affected products include: Apple Smart Card Services.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Always validate buffer sizes before copy operations. Use bounded functions (strncpy, snprintf). Enable compiler protections.