CVE-2006-1315
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 · uneditedThe Server Service (SRV.SYS driver) in Microsoft Windows 2000 SP4, XP SP1 and SP2, Server 2003 up to SP1, and other products, allows remote attackers to obtain sensitive information via crafted requests that leak information in SMB buffers, which are not properly initialized, aka "SMB Information Disclosure Vulnerability."
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 confidenceInformation disclosure vulnerability in the Windows Server Service (SRV.SYS) where SMB buffers are not properly initialized, allowing remote attackers to obtain sensitive information via crafted SMB requests.
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 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
- Partial
- Integrity
- None
- Availability
- None
AV:N/AC:L/Au:N/C:P/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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Verify SMB server service is enabledOn Windows, open Services console (services.msc) and check if 'Server' (lanmanserver) service is running, or via command: sc query lanmanserverAffected if The Server service is running and SMB is accessible on the network
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Identify Windows version and Service PackRun 'winver' or 'systeminfo' from command prompt to determine exact Windows version and Service Pack levelAffected if Running Windows 2000 (all SPs), Windows XP (SP1/SP2), or Windows Server 2003 SP1 and earlier without security updates
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Check for security patch MS06-040Run 'wmic qfe list' or check 'Add or Remove Programs' for security update KB921883 (the patch for CVE-2006-1315)Affected if The security update KB921883 is NOT installed
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Verify SRV.SYS driver versionLocate SRV.SYS in %systemroot%\system32\drivers\, right-click for Properties, or run 'driverquery /v | findstr SRV' to see version informationAffected if Driver version is older than the version that includes the fix from MS06-040 security bulletin
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Confirm SMB ports are accessibleRun 'netstat -an | findstr "445"' to check if port 445 (SMB) is listening, or scan the system from another host using 'nmap -p 445 <target>'Affected if Port 445 is open and listening, making the SMB service reachable over the network
System is affected if SMB/Server service is enabled, running an unpatched legacy Windows version (2000/XP/SP1-2/Server 2003 SP1 or earlier), and the MS06-040 patch (KB921883) is missing.
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 Microsoft security patches for this vulnerability. For legacy systems (Windows 2000, XP SP1/SP2, Server 2003 SP1 and earlier) that may no longer receive patches, consider upgrading to supported Windows versions or implementing network segmentation to limit SMB exposure.
- Consultation2.0 h
- Implementation4.0 h
- Testing3.0 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 $2,800.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2006-1315 — 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-2006-1315 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
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