How severe is CVE-2018-4301?

CVE-2018-4301 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-4301 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-4301?

CVE-2018-4301 affects Apple Smart Card Services. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-4301?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2018-4301 have an EU (EUVD) identifier?

Yes. CVE-2018-4301 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2018-16087.

When was CVE-2018-4301 published?

CVE-2018-4301 was published on 2025-01-08 and last updated on 2026-06-17.

CVE-2018-4301

CVE-2018-4301 is a critical-severity vulnerability in Apple Smart Card Services with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-120.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2018-16087
Weakness: CWE-120
Affected product: Apple Smart Card Services
Published: 2025-01-08
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2018-4301?: This issue is fixed in SCSSU-201801. A potential stack based buffer overflow existed in GemaltoKeyHandle.cpp.
How severe is CVE-2018-4301?: CVE-2018-4301 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-4301 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-4301?: CVE-2018-4301 affects Apple Smart Card Services. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-4301?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2018-4301 have an EU (EUVD) identifier?: Yes. CVE-2018-4301 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2018-16087.
When was CVE-2018-4301 published?: CVE-2018-4301 was published on 2025-01-08 and last updated on 2026-06-17.

References

https://smartcardservices.github.io/security/

Affected products (1)

cpe:2.3:a:apple:smart_card_services:*:*:*:*:*:*:*:*

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