CVE-2018-19946
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 vulnerability have been reported to affect earlier versions of Helpdesk. If exploited, this improper certificate validation vulnerability could allow an attacker to spoof a trusted entity by interfering in the communication path between the host and client. QNAP has already fixed the issue in Helpdesk 3.0.3 and later.
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 confidenceQNAP Helpdesk versions prior to 3.0.3 contain an improper certificate validation vulnerability that could allow a man-in-the-middle (MITM) attacker to spoof a trusted entity by interfering in the communication path between the host and client. This is a classic SSL/TLS certificate validation bypass issue.
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< 3.0.3CVSS 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
- High
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- High
- Availability
- None
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/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.
-
Verify QNAP Helpdesk installationIdentify whether QNAP Helpdesk software is installed on the system. This may be found in the system registry, installed applications list, or QNAP admin interface depending on the deployment method.Affected if QNAP Helpdesk is present on the system
-
Determine installed Helpdesk versionLocate and retrieve the version number of the installed QNAP Helpdesk instance. Check application metadata, about page, or system inventory where version information is displayed.Affected if The version cannot be determined or is earlier than 3.0.3
-
Compare version to vulnerability thresholdCompare the identified version against the affected range: versions prior to 3.0.3. Any version below 3.0.3 is vulnerable.Affected if Installed version is less than 3.0.3 (for example, 3.0.2, 3.0.1, 3.0.0, or any beta/RC release prior to 3.0.3)
-
Assess network exposureDetermine if Helpdesk is accessible over network interfaces, particularly over untrusted networks, as the certificate validation flaw enables MITM attacks during network communication.Affected if Helpdesk is accessible and accepts client connections over network
A system is affected if QNAP Helpdesk is installed with a version number lower than 3.0.3.
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 data3.0.3
Upgrade QNAP Helpdesk to version 3.0.3 or later to resolve the certificate validation vulnerability. If immediate upgrade is not possible, avoid using Helpdesk over untrusted networks.
- Consultation2.0 h
- Implementation2.0 h
- Testing4.0 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 $2,752.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2018-19946 — 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-2018-19946 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
Be the first to add a field note for this CVE — a mitigation you’ve verified, a version caveat, or a link to a working fix. Sign in above to contribute.
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