8.8

CVE-2016-8520: eucalyptus Permission Issues

CVSS: 8.8v3.0HighModified
Published 15-02-2018Last modified 16-09-2024

Vulnerability summary

CVE-2016-8520 is a high (CVSS 8.8) Permission Issues vulnerability in eucalyptus. EPSS estimates a 1.36% chance of exploitation in the next 30 days, higher than 71.4% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.0 (NVD)
EPSS score
1.36%
0%100%
Low · +0.21 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 15-02-2018
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

Description

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 metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.36%

Chance of exploitation in the next 30 days

Percentile

71%

Versus all other CVEs

30-day change

+0.21 pp

From 1.15% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.36%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Eucalyptus1 product
Hewlett packard enterprise1 product

2 vendors · 2 products

References

2 links