CVE-2016-8520

HIGHNVD 8.8

8.8

HPE Helion Eucalyptus v4.3.0 and earlier does not correctly check IAM user's permissions for accessing versioned objects and ACLs. In some cases, authenticated users with S3 permissions could also access versioned data.

CVSS v3: 8.8
EG Score: —
EPSS: 64.1%
KEV: Not listed

Published

February 15, 2018

Last Modified

November 21, 2024

References (4)

security-alert@hpehttp://www.securityfocus.com/bid/95369
security-alert@hpehttps://support.hpe.com/hpsc/doc/public/display?docId=emr_na-c05363782
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/95369
af854a3a-2127-422b-91ae-364da2661108https://support.hpe.com/hpsc/doc/public/display?docId=emr_na-c05363782

Weakness Classification(1)

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

CWE-275

Data Freshness Timeline

(refreshed 6× in last 7d / 6× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-24 16:44 UTCepss_batch

Frequently asked(5)

What is CVE-2016-8520?

CVE-2016-8520 is a high vulnerability published on February 15, 2018. HPE Helion Eucalyptus v4.3.0 and earlier does not correctly check IAM user's permissions for accessing versioned objects and ACLs. In some cases, authenticated users with S3 permissions could also access versioned data.

When was CVE-2016-8520 disclosed?

CVE-2016-8520 was first published in the National Vulnerability Database on February 15, 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-2016-8520 actively exploited?

CVE-2016-8520 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 64.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2016-8520?

CVE-2016-8520 has a CVSS v3 base score of 8.8 (NVD).

How do I remediate CVE-2016-8520?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2016-8520, 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.

Dependency Blast Radius

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CVE-2016-8520

📅 Published

🔄 Last Modified

🔗 References (4)