CVE-2016-8520 json
HPE Helion Eucalyptus v4.3.0 and earlier does not correctly check IAM user's permissions for accessing versioned objects and ACLs.
published 2018-02-15 8 y ago modified 2026-06-17 4 mo ago also EUVD-2016-9368
- cvss
- 8.8
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.4%
- EPSS 1.4% chance of exploitation in 30 days, percentile 71%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
1.36% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 8.8 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P |
Affected products
- Hewlett Packard Enterprise Helion Eucalyptus
Classification
- Weakness
-
- CWE-275 Permission Issues
References
-
support.hpe.com
/hpsc/doc/public/display?docId=emr_na-c05363782
vendor-advisory
-
securityfocus.com
/bid/95369
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2016-8520
- NVD CVE-2016-8520
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.