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.
CVSS score
8.8/10
010
High · v3.0 (NVD)EPSS score
1.36%
0%100%
Low · +0.21 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 15-02-2018PublishedVulnerability first disclosed.
- 16-09-2024Last 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 versionsHigh 8.8Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
Medium 6.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:S/C:P/I:P/A:PSourcesSingle source
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 score1.36%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Eucalyptus1 product
- eucalyptus≤ 4.3.0
Hewlett packard enterprise1 product
- helion eucalyptusv4.3.0 and earlier
2 vendors · 2 products