CVE-2018-0489

MEDIUMNVD 6.56.5—
EchelonGraph scoreMEDIUM confidence

Score 6.5 from GitHub Security Advisory published 2022-05-14. NVD baseline CVSS 6.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
6.5
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 2%CVSS: 6.5Exploit: NoneExposed: 0

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

Shibboleth XMLTooling-C before 1.6.4, as used in Shibboleth Service Provider before 2.6.1.4 on Windows and other products, mishandles digital signatures of user data, which allows remote attackers to obtain sensitive information or conduct impersonation attacks via crafted XML data. NOTE: this issue exists because of an incomplete fix for CVE-2018-0486.

CVSS v3
6.5
EG Score
6.5(medium)
EPSS
80.2%
KEV
Not listed

Published

February 27, 2018

Last Modified

November 21, 2024

References (12)

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 22:11 UTCEG score recompute
  2. 2026-07-22 14:04 UTCEPSS rescore
  3. 2026-07-21 17:18 UTCOSV refresh
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  5. 2026-07-04 12:56 UTCOSV refresh
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  65. 2026-05-28 10:59 UTCEG score recompute
  66. 2026-05-28 10:59 UTCGHSA enrichment
  67. 2026-05-27 13:38 UTCEPSS rescore
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  72. 2026-05-25 11:46 UTCOSV refresh

Frequently asked(5)

What is CVE-2018-0489?
CVE-2018-0489 is a medium vulnerability published on February 27, 2018. Shibboleth XMLTooling-C before 1.6.4, as used in Shibboleth Service Provider before 2.6.1.4 on Windows and other products, mishandles digital signatures of user data, which allows remote attackers to obtain sensitive information or conduct impersonation attacks via crafted XML data. NOTE: this…
When was CVE-2018-0489 disclosed?
CVE-2018-0489 was first published in the National Vulnerability Database on February 27, 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-2018-0489 actively exploited?
CVE-2018-0489 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 80.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2018-0489?
CVE-2018-0489 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2018-0489?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-0489, 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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