CVE-2016-8520 describes an improper authorization vulnerability in HPE Helion Eucalyptus v4.3.0 and earlier, where the system fails to correctly validate IAM user permissions for versioned objects and Access Control Lists (ACLs). This flaw allows authenticated users with S3 permissions to access versioned data they should not be authorized to view. With a CVSS v3 score of 8.8 (High), this vulnerability presents a significant risk due to its low attack complexity and potential for high impact on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, nor is exploit code publicly available in Metasploit, Nuclei, or ExploitDB, and it has received minimal community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 4.3.0CPE matchmatch criteria | cpe:2.3:a:eucalyptus:eucalyptus:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.