How severe is CVE-2018-4106?

CVE-2018-4106 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-4106 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-4106?

CVE-2018-4106 affects Apple Mac Os X. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-4106?

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

When was CVE-2018-4106 published?

CVE-2018-4106 was published on 2018-04-03 and last updated on 2026-06-17.

CVE-2018-4106

CVE-2018-4106 is a high-severity vulnerability in Apple Mac Os X with a CVSS 3.x base score of 8.8. 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-74.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-74
Affected product: Apple Mac Os X
Published: 2018-04-03
Last modified: 2026-06-17

Description

An issue was discovered in certain Apple products. macOS before 10.13.4 is affected. The issue involves the Bracketed Paste Mode of the "Terminal" component. It allows user-assisted attackers to inject arbitrary commands within pasted content.

Frequently asked questions

What is CVE-2018-4106?: An issue was discovered in certain Apple products. macOS before 10.13.4 is affected. The issue involves the Bracketed Paste Mode of the "Terminal" component. It allows user-assisted attackers to inject arbitrary commands within pasted content.
How severe is CVE-2018-4106?: CVE-2018-4106 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-4106 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-4106?: CVE-2018-4106 affects Apple Mac Os X. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-4106?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-4106 published?: CVE-2018-4106 was published on 2018-04-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*

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