What’s Vulnerable › Vulnerabilities

CVE-2018-4179

• Severity: medium (CVSS 5.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-01-11 · updated 2026-06-17
• Weakness: CWE-200

Description

In macOS High Sierra before 10.13.4, there was an issue with the handling of smartcard PINs. This issue was addressed with additional logic.

Affected products

• macOS: from 10.13.0 before 10.13.4 — fixed in 10.13.4

How to fix

Upgrade to a fixed version: macOS 10.13.4. Check the vendor advisory for mitigations.

References

• https://support.apple.com/HT208692
• https://support.apple.com/HT208692

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