Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2011-4076

21
FAUCET Score

CVE-2011-4076 describes a vulnerability in OpenStack Nova before version 2012.1, where an attacker with an EC2_ACCESS_KEY could obtain the corresponding EC2_SECRET_KEY. This medium-severity vulnerability (CVSS 5.9) has a network attack vector and high confidentiality impact, as it could lead to unauthorized access to cloud resources. While it has no known active exploitation, public exploit code, or significant community discussion, its potential for sensitive information disclosure warrants attention.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2010.1, < 2012.1CPE matchmatch criteria
cpe:2.3:a:openstack:nova:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.9MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.2
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.45%
Probability of exploitation in next 30 days
EPSS Percentile
70.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0145 is in the 42nd percentile among its peer group of 19,955 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

debianpatch availablevia nvd_reference
View patch
pippatch availablevia ghsa
Product: novaFixed in: 12.0.0a0

Vendor Advisories (2)

pipGHSA-vcmv-6rxx-fh7rmedium

OpenStack Nova Exposure of Sensitive Information to an Unauthorized Actor

Apr 22, 2022
redhatCVE-2011-4076

openstack-nova: EC2 API password leak

References

access.redhat.com / security/cve/cve-2011-4076
Third Party Advisory
bugs.launchpad.net / nova/+bug/868360
ExploitIssue TrackingPatchThird Party Advisory
bugzilla.redhat.com / show_bug.cgi
ExploitIssue TrackingThird Party Advisory
security-tracker.debian.org / tracker/CVE-2011-4076
PatchThird Party Advisory
openwall.com / lists/oss-security/2011/10/25/4
Mailing ListPatchThird Party Advisory