CVE-2018-4220
CVE-2018-4220 is a high-severity vulnerability in Apple Swift 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-732.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v2: 9.3
- EPSS exploit prediction: 2% (80th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-732
- Affected product: Apple Swift
- Published:
- Last modified:
Description
An issue was discovered in certain Apple products. Swift before 4.1.1 Security Update 2018-001 is affected. The issue involves the "Swift for Ubuntu" component. It allows attackers to execute arbitrary code in a privileged context because write and execute permissions are enabled during library loading.
Frequently asked questions
- What is CVE-2018-4220?
- An issue was discovered in certain Apple products. Swift before 4.1.1 Security Update 2018-001 is affected. The issue involves the "Swift for Ubuntu" component. It allows attackers to execute arbitrary code in a privileged context because write and execute permissions are enabled during library loading.
- How severe is CVE-2018-4220?
- CVE-2018-4220 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-2018-4220 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-4220?
- CVE-2018-4220 affects Apple Swift. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-4220?
- 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-2018-4220 published?
- CVE-2018-4220 was published on 2018-06-08 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:apple:swift:*:*:*:*:*:ubuntu:*:*
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