CVE-2012-4501
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedCitrix Cloud.com CloudStack, and Apache CloudStack pre-release, allows remote attackers to make arbitrary API calls by leveraging the system user account, as demonstrated by API calls to delete VMs.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · high confidenceApache CloudStack and Citrix Cloud.com CloudStack contain a critical authentication bypass where remote attackers can exploit the system user account to make arbitrary API calls with full administrative privileges, including the ability to delete virtual machines.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE dataall versionsall versionsCVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Authentication
- None
- Confidentiality
- Complete
- Integrity
- Complete
- Availability
- Complete
AV:N/AC:L/Au:N/C:C/I:C/A:C
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Identify if CloudStack is installedCheck for Apache CloudStack or Citrix CloudStack components on the system. Look for CloudStack-related processes, services, or installed packages using package managers or process lists.Affected if CloudStack is found installed on the system
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Verify system user account existenceQuery the CloudStack database or user management interface to confirm if the default system user account exists. This account is typically named 'system' with a specific API key.Affected if The system user account is present and active in the CloudStack environment
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Review API access logs for system user activityExamine CloudStack API access logs for any API calls made using the system user account, especially from unexpected IP addresses or at unusual times. Look for administrative operations such as VM deletion, user management changes, or infrastructure modifications.Affected if API calls from the system user account are observed from unauthorized sources or include privileged operations you did not initiate
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Check for unauthorized virtual machine deletionsReview CloudStack event logs and audit trails for virtual machine destruction events that were not initiated by legitimate administrators. Cross-reference with known admin activities.Affected if VM deletion events exist in logs that do not correspond to documented admin actions
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Audit system user credentials and API keysInspect the CloudStack database or configuration to identify if the system user has an API key assigned. Check if these credentials have been rotated or remain at default values.Affected if System user credentials exist and have not been recently rotated or are using default values
If CloudStack is installed and the system user account is accessible or its credentials have not been rotated, the environment is vulnerable to this authentication bypass and likely already exploited.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataUpgrade to patched CloudStack versions and rotate all system user credentials immediately to prevent further exploitation.
- Consultation3.0 h
- Implementation6.0 h
- Testing3.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $3,984.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2012-4501 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2012-4501 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
- No spam, self-promotion, credentials, or personal data