What is CVE-2015-6861?

CVE-2015-6861 is a high-severity vulnerability in Eucalyptus, classified under CWE-264. CVSS score: 7.5/10. Published 2016-01-05.

How severe is CVE-2015-6861?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Eucalyptus

CVE-2015-6861

HPE Helion Eucalyptus 3.4.0 through 4.2.0 allows remote authenticated users to bypass an intended AssumeRole permission requirement and assume an IAM role by leveraging a policy setting for a user's account.

Published 2016-01-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.010 (62.4th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 62.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Eucalyptus — versions 3.4.0, 3.4.1, 3.4.2

Weakness classification (CWE)

CWE-264

References

h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay (Vendor Advisory)
www.securityfocus.com/bid/79650 (vdb-entry)

Frequently asked questions

What is CVE-2015-6861?: CVE-2015-6861 is a high-severity vulnerability in Eucalyptus, classified under CWE-264. CVSS score: 7.5/10. Published 2016-01-05.
How severe is CVE-2015-6861?: High severity. CVSS v3 base score is 7.5 out of 10.