Security readout for executives and security teams
Plain-English summary
CVE-2011-4076 is an old OpenStack Nova issue where possession of an EC2 access key, described as username-equivalent, could expose the matching EC2 secret key, described as password-equivalent. For affected legacy Nova deployments, this could enable credential compromise. The bundle does not provide CVSS, CWE, confirmed exploitation, or detailed vendor remediation text.
Executive priority
Prioritize investigation if the organization operates legacy OpenStack Nova. The business risk is credential theft in cloud infrastructure, but urgency is lower for organizations without affected Nova deployments. There is no cited active exploitation signal in the supplied sources.
Technical view
OpenStack Nova before 2012.1 is described as allowing EC2_SECRET_KEY retrieval when an EC2_ACCESS_KEY is known. The exposure scenario includes access keys visible over HTTP or through tools susceptible to HTTPS interception. The affected metadata is limited and somewhat inconsistent, so validation should focus on actual Nova version and EC2 credential handling.
Likely exposure
Likely limited to legacy OpenStack Nova environments or downstream packages matching the cited affected records. Modern deployments are unlikely to be exposed unless running old Nova code or unpatched vendor builds. Confirm version and credential-management behavior before assigning business impact.
Exploitation context
The source bundle does not show CISA KEV listing or cite active exploitation. Abuse would require obtaining or guessing an EC2_ACCESS_KEY, then using the vulnerable behavior to obtain the corresponding secret key. Treat any exposed access keys in logs, HTTP traffic, or tooling as sensitive.
Researcher notes
Evidence is sparse: no CVSS, CWE, exploit status, or detailed remediation is included in the bundle. The description names OpenStack Nova before 2012.1, while affected metadata lists nova 2014.1.3-11. Treat that as a data-quality issue and verify against vendor records.
Mitigation direction
- Check vendor advisories for fixed Nova versions and supported package updates.
- Upgrade affected OpenStack Nova deployments to a non-vulnerable supported release.
- Rotate EC2 access and secret keys for users on affected systems.
- Avoid exposing EC2 access keys over HTTP or interception-prone tooling.
- Review downstream distribution guidance from Debian, Red Hat, and OpenStack sources.
Validation and detection
- Inventory OpenStack Nova versions and downstream package versions.
- Confirm whether any deployment predates OpenStack Nova 2012.1.
- Review logs and integrations for exposed EC2 access keys.
- Check whether EC2 credential retrieval behavior matches the vulnerable description.
- Verify credential rotation for users active during any exposure window.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
Credential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2011-4076 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://security-tracker.debian.org/tracker/CVE-2011-4076CVE reference · x_refsource_MISC
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-4076CVE reference · x_refsource_MISC
- https://access.redhat.com/security/cve/cve-2011-4076CVE reference · x_refsource_MISC
- https://bugs.launchpad.net/nova/+bug/868360CVE reference · x_refsource_MISC
- https://www.openwall.com/lists/oss-security/2011/10/25/4CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.