Cloudforms Management EngineApplication · Redhat
CVE-2016-3702
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 · uneditedPadding oracle flaw in CloudForms Management Engine (aka CFME) 5 allows remote attackers to obtain sensitive cleartext information.
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 · moderate confidenceA padding oracle vulnerability exists in CloudForms Management Engine 5 that allows remote attackers to decrypt sensitive information by exploiting how the system handles encrypted data. Padding oracle attacks exploit side-channel information from cryptographic implementations (typically CBC mode) to systematically decrypt data without knowing the encryption key.
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 data
Cloudforms Management EngineApplication
= 5.0CVSS 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
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
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 installed CloudForms versionAccess the CloudForms Management Engine appliance via SSH or console and run: cat /etc/redhat-release or examine the appliance about page in the web UI under the Help > About sectionAffected if The version reported is 5.0.x (specifically 5.0)
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Confirm the product is CloudForms Management EngineVerify the appliance is running CloudForms Management Engine (not CloudForms as a Service) - check the product name in the web UI header or via: grep -i product /var/www/miq/vmdb/config/settings.yml 2>/dev/null || ls /var/www/miq/Affected if The product is identified as CloudForms Management Engine version 5.0
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Determine if the web interface is network accessibleCheck if port 443 or 80 is open and listening externally: netstat -tlnp | grep -E ':(80|443)\s' or nmap -p 80,443 <appliance_ip>Affected if The CloudForms web interface is exposed to untrusted networks without proper network segmentation
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Verify authentication is enforced on API endpointsInspect the authentication configuration in /var/www/miq/vmdb/config/api.yml or check if /api endpoint requires authentication by attempting an unauthenticated requestAffected if The API or sensitive endpoints do not require valid authentication
If running CloudForms Management Engine 5.0 with the web interface network-accessible and without enforced authentication on encrypted data endpoints, the padding oracle vulnerability is likely exploitable.
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 dataApply available vendor patches for CloudForms Management Engine 5; if no patch exists, consider upgrading to a newer version that addresses cryptographic vulnerabilities and ensure proper authentication is enforced on affected endpoints.
Fix this in Cloudforms Management Engine
Scoped from the published advisory
- Consultation6.0 h
- Implementation16.0 h
- Testing8.0 h
- Review / QA4.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $9,600.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2016-3702 — 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-2016-3702 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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- Version or environment caveats, and links to real fixes
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