CVE-2013-4712
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 · uneditedI-O DATA DEVICE HDL-A and HDL2-A devices with firmware 1.07 and earlier do not properly manage sessions, which allows remote attackers to obtain sensitive information or modify data via unspecified vectors.
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 confidenceI-O DATA DEVICE HDL-A and HDL2-A network-attached storage devices with firmware version 1.07 and earlier contain improper session management, allowing remote attackers to potentially obtain sensitive information or modify data through unspecified vectors.
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 versions= 1.07all versionsall versionsall versions<= 1.07CVSS 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
- M
- Authentication
- None
- Confidentiality
- Partial
- Integrity
- Partial
- Availability
- Partial
AV:N/AC:M/Au:N/C:P/I:P/A:P
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 the device modelAccess the NAS admin interface or check the physical device label to confirm it is an I-O DATA HDL-A or HDL2-A series network-attached storage deviceAffected if The device is any model in the HDL-A or HDL2-A series (including HDL A/e, HDL Ah, HDL As, HDL2 A/e, HDL2 Ah variants)
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Check the installed firmware versionLog into the NAS web administration panel and navigate to the system information or firmware version settings page; alternatively, check the firmware file if you have manual accessAffected if The firmware version is 1.07 or earlier, or for HDL2-A models, any version since all HDL2-A versions are affected
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Confirm network exposure of the admin interfaceVerify if the NAS web management interface is accessible from the network (check router port forwarding, firewall rules, or attempt to reach the device IP on common admin ports such as 80 or 443)Affected if The admin interface is reachable from network segments that are not fully trusted, as the session management flaw could be exploited remotely
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Verify session management is enabledConfirm that the web-based administration interface or any remote management features are currently active on the deviceAffected if Remote administration or session-based web access is enabled, which provides the attack vector for the improper session management vulnerability
You are affected if you own any I-O DATA HDL-A or HDL2-A NAS device running firmware version 1.07 or earlier, or any HDL2-A model regardless of version, and the device's admin interface is network-accessible.
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 dataUpdate firmware to a version newer than 1.07 if available from the vendor; if no patched firmware exists, implement network access controls, segment the devices from untrusted networks, or consider replacement.
- Consultation2.0 h
- Implementation1.0 h
- Testing2.0 h
- Review / QA1.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $1,696.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2013-4712 — 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-2013-4712 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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- 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