CVE-2018-3728
CVE-2018-3728 is a high-severity vulnerability in Hapijs Hoek 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-471.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v2: 6.5
- EPSS exploit prediction: 4% (90th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-471
- Affected product: Hapijs Hoek
- Published:
- Last modified:
Description
hoek node module before 4.2.0 and 5.0.x before 5.0.3 suffers from a Modification of Assumed-Immutable Data (MAID) vulnerability via 'merge' and 'applyToDefaults' functions, which allows a malicious user to modify the prototype of "Object" via __proto__, causing the addition or modification of an existing property that will exist on all objects.
Frequently asked questions
- What is CVE-2018-3728?
- hoek node module before 4.2.0 and 5.0.x before 5.0.3 suffers from a Modification of Assumed-Immutable Data (MAID) vulnerability via 'merge' and 'applyToDefaults' functions, which allows a malicious user to modify the prototype of "Object" via __proto__, causing the addition or modification of an existing property that will exist on all objects.
- How severe is CVE-2018-3728?
- CVE-2018-3728 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2018-3728 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-3728?
- CVE-2018-3728 affects Hapijs Hoek. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-3728?
- 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-2018-3728 published?
- CVE-2018-3728 was published on 2018-03-30 and last updated on 2026-06-17.
References
- http://www.securityfocus.com/bid/103108
- https://access.redhat.com/errata/RHSA-2018:1263
- https://access.redhat.com/errata/RHSA-2018:1264
- https://github.com/hapijs/hoek/commit/32ed5c9413321fbc37da5ca81a7cbab693786dee
- https://hackerone.com/reports/310439
- https://nodesecurity.io/advisories/566
- https://snyk.io/vuln/npm:hoek:20180212
Affected products (1)
- cpe:2.3:a:hapijs:hoek:*:*:*:*:*:node.js:*:*
More vulnerabilities in Hapijs Hoek
- CVE-2020-36604 — High (CVSS 8.1): hoek before 8.5.1 and 9.x before 9.0.3 allows prototype poisoning in the clone function.
All CVEs affecting Hapijs Hoek →
Other CWE-471 vulnerabilities
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- CVE-2018-3720 — High (CVSS 8.8): assign-deep node module before 0.4.7 suffers from a Modification of Assumed-Immutable Data (MAID) vulnerability, which…
- CVE-2024-55551 — High (CVSS 8.3): An issue was discovered in Exasol JDBC driver before 24.2.1 (2024-12-10). Attackers can inject malicious parameters…
- CVE-2024-9876 — High (CVSS 7.3): : Modification of Assumed-Immutable Data (MAID) vulnerability in ABB ANC, ABB ANC-L, ABB ANC-mini.This issue affects…
- CVE-2023-2904 — High (CVSS 7.3): The External Visitor Manager portal of HID’s SAFE versions 5.8.0 through 5.11.3 are vulnerable to manipulation within…