How severe is CVE-2018-20227?

CVE-2018-20227 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2018-20227 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-20227?

CVE-2018-20227 affects Eclipse Rdf4j. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-20227?

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-2018-20227 published?

CVE-2018-20227 was published on 2018-12-19 and last updated on 2026-06-17.

CVE-2018-20227

CVE-2018-20227 is a high-severity vulnerability in Eclipse Rdf4j with a CVSS 3.x base score of 7.5. 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-22.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 6.4
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Eclipse Rdf4j
Published: 2018-12-19
Last modified: 2026-06-17

Description

RDF4J 2.4.2 allows Directory Traversal via ../ in an entry in a ZIP archive.

Frequently asked questions

What is CVE-2018-20227?: RDF4J 2.4.2 allows Directory Traversal via ../ in an entry in a ZIP archive.
How severe is CVE-2018-20227?: CVE-2018-20227 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2018-20227 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-20227?: CVE-2018-20227 affects Eclipse Rdf4j. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-20227?: 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-2018-20227 published?: CVE-2018-20227 was published on 2018-12-19 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:eclipse:rdf4j:*:*:*:*:*:*:*:*

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