CVE-2010-4184
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 · uneditedNetSupport Manager (NSM) before 11.00.0005 sends HTTP headers with cleartext fields containing details about client machines, which allows remote attackers to obtain potentially sensitive information by sniffing the network.
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 confidenceNetSupport Manager versions prior to 11.00.0005 transmit HTTP headers containing cleartext client machine details (such as hostname, OS information, or user context). An attacker with network proximity can intercept these headers via packet sniffing to enumerate sensitive system information.
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<= 11.00= 5.00= 5.01= 5.02= 5.02_f1= 5.03= 5.05= 5.30= 5.31= 6.00= 6.10= 6.11CVSS 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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Confirm NetSupport Manager is installedLook for the NetSupport Manager client executable (nsm.exe) or service on the system. Check installed programs list or running processes for NetSupport Manager components.Affected if NetSupport Manager is present on the system
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Identify the installed versionRight-click the NetSupport Manager executable, select Properties, and view the File Version information. Alternatively, check the version displayed in the NetSupport Manager client interface or about dialog.Affected if The version number cannot be determined or is visible
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Compare your version to the affected listMatch the identified version against: 5.00, 5.01, 5.02, 5.02_f1, 5.03, 5.05, 5.30, 5.31, 6.00, 6.10, 6.11, or any version <= 11.00Affected if Your installed version matches any version in the affected list
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Verify HTTP header exposureUse a network packet capture tool (such as Wireshark) on the client machine while NetSupport Manager communicates with the server. Inspect HTTP requests for sensitive headers containing hostname, OS details, or username in cleartext.Affected if HTTP headers in the captured traffic contain cleartext system information such as hostname, operating system version, or logged-in username
You are affected if NetSupport Manager is installed and the version is 11.00 or lower, and network traffic analysis reveals cleartext sensitive information in HTTP headers.
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 NetSupport Manager to version 11.00.0005 or later. If immediate patching is not feasible, enforce network segmentation or VPN access to limit the attack surface for man-in-the-middle sniffing.
- Consultation2.0 h
- Implementation2.0 h
- Testing2.0 h
- Review / QA1.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2010-4184 — 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-2010-4184 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