CVE-2018-1000644

CRITICALNVD 10.010.0—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 10.0 under NVD CVSS v3. EPSS exploit probability: 2.0%, top 21% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
Trending — 3 sources updated this week
10.0
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 2%CVSS: 10.0Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Eclipse RDF4j version < 2.4.0 Milestone 2 contains a XML External Entity (XXE) vulnerability in RDF4j XML parser parsing RDF files that can result in the disclosure of confidential data, denial of service, server side request forgery, port scanning. This attack appear to be exploitable via Specially crafted RDF file.

CVSS v3
10.0
EG Score
10.0(medium)
EG Risk
—
EPSS
79.0%
KEV
Not listed

Published

August 20, 2018

Last Modified

November 21, 2024

Advisory Details (2)

Auto-updated Jul 18, 2026
No patch confirmed yet.
generic

XXE in XML Parser · Issue #1056 · eclipse-rdf4j/rdf4j · GitHub

https://github.com/eclipse/rdf4j/issues/1056
generic

Eclipse RDF4j XXE | 0dd - The Zero (0) Day Division

https://0dd.zone/2018/08/05/rdf4j-XXE/

Affected Packages

(1 across 1 ecosystem)
Maven(1)
PackageVulnerable rangeFixed inDependents
org.eclipse.rdf4j:rdf4j-runtime1.0 ... 2.4.0-M3 (36 versions)2.4.0—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 13× in last 7d / 45× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-22 22:12 UTCEG score recompute
  2. 2026-07-22 14:04 UTCEPSS rescore
  3. 2026-07-21 15:21 UTCEPSS rescore
  4. 2026-07-21 06:47 UTCOSV refresh
  5. 2026-07-20 17:04 UTCEPSS rescore
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  7. 2026-07-19 14:28 UTCEPSS rescore
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  1. 2026-07-06 16:24 UTCEPSS rescore
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  7. 2026-07-04 02:26 UTCOSV refresh
  8. 2026-07-02 16:54 UTCEPSS rescore
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  10. 2026-06-30 23:19 UTCEPSS rescore
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  27. 2026-06-19 19:23 UTCEPSS rescore
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  29. 2026-06-18 17:50 UTCEPSS rescore
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  31. 2026-06-16 17:50 UTCEPSS rescore
  32. 2026-06-15 17:45 UTCEPSS rescore
  33. 2026-06-15 14:13 UTCOSV refresh
  34. 2026-06-14 23:14 UTCEPSS rescore
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  36. 2026-06-13 22:58 UTCEPSS rescore
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  38. 2026-06-12 23:09 UTCEPSS rescore
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  40. 2026-06-11 13:57 UTCEPSS rescore
  41. 2026-06-10 22:15 UTCEPSS rescore
  42. 2026-06-10 13:19 UTCEPSS rescore
  43. 2026-06-08 14:14 UTCEPSS rescore
  44. 2026-06-08 14:14 UTCEPSS rescore
  45. 2026-06-07 15:22 UTCEPSS rescore
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  47. 2026-06-06 13:45 UTCEPSS rescore
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  49. 2026-06-05 22:44 UTCEPSS rescore
  50. 2026-06-05 22:44 UTCEPSS rescore
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  57. 2026-06-01 13:49 UTCEPSS rescore
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  59. 2026-05-31 22:28 UTCEPSS rescore
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  62. 2026-05-29 13:41 UTCEPSS rescore
  63. 2026-05-28 13:42 UTCEPSS rescore
  64. 2026-05-28 13:42 UTCEPSS rescore
  65. 2026-05-28 03:56 UTCEG score recompute
  66. 2026-05-27 13:38 UTCEPSS rescore
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  68. 2026-05-26 13:42 UTCEPSS rescore
  69. 2026-05-26 07:17 UTCEPSS rescore
  70. 2026-05-26 07:17 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2018-1000644?
CVE-2018-1000644 is a critical vulnerability published on August 20, 2018. Eclipse RDF4j version < 2.4.0 Milestone 2 contains a XML External Entity (XXE) vulnerability in RDF4j XML parser parsing RDF files that can result in the disclosure of confidential data, denial of service, server side request forgery, port scanning. This attack appear to be exploitable via…
When was CVE-2018-1000644 disclosed?
CVE-2018-1000644 was first published in the National Vulnerability Database on August 20, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2018-1000644 actively exploited?
CVE-2018-1000644 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 79.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2018-1000644?
CVE-2018-1000644 has a CVSS v3 base score of 10.0 (NVD).
How do I remediate CVE-2018-1000644?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-1000644, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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