CVE-2021-43932
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 · uneditedElcomplus SmartPTT is vulnerable when an attacker injects JavaScript code into a specific parameter that can executed upon accessing the dashboard or the main page.
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 confidenceThis is a stored Cross-Site Scripting (XSS) vulnerability in Elcomplus SmartPTT. An attacker can inject malicious JavaScript code into a specific parameter that gets stored in the application. When legitimate users access the dashboard or main page, the injected script executes in their browsers, potentially allowing session hijacking, credential theft, or malicious actions on behalf of authenticated users.
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= 1.1CVSS 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
- Required
- Scope
- Changed
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/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 SmartPTT SCADA versionAccess the SmartPTT administration panel or check the software installation directory for version information. Look in the 'About' section or examine version files in the installation folder.Affected if The installed version is exactly 1.1 (version 1.1 is the only confirmed affected version)
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Locate user input fields that store data to databaseReview the application's source code or configuration to identify parameters that accept user input and store it persistently in the database. Focus on fields used in the dashboard or main page rendering.Affected if The application stores user-supplied data in the database without server-side validation before storage
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Examine database records for unescaped HTML/script contentQuery the application's database tables where user input is stored. Look for records containing HTML tags (<script>, <img onerror>, javascript:, etc.) or encoded variants in fields that appear on the dashboard or main page.Affected if Stored data containing HTML or JavaScript syntax is found in user-modifiable fields
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Inspect dashboard and main page renderingView the HTML source of the dashboard and main page in a browser. Check if user-supplied data is rendered as plain text or if it is interpreted as HTML/JavaScript. Use browser developer tools to inspect elements.Affected if User-supplied data is rendered without proper HTML encoding or context-aware escaping
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Review application logs for XSS probe attemptsCheck SmartPTT application logs and web server logs for unusual patterns in input fields, such as <script> tags, javascript: URIs, or other XSS payloads in parameters that store data.Affected if Logs contain known XSS payloads or suspicious patterns targeting stored input fields
You are affected if you are running SmartPTT SCADA version 1.1 AND user-supplied data is rendered on the dashboard or main page without proper output encoding, allowing stored scripts to execute in user browsers.
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 dataImplement robust input validation to reject malicious payloads at the point of entry, and apply proper output encoding/context-aware escaping when rendering user-supplied data in the dashboard and main page to prevent script execution.
- Consultation4.0 h
- Implementation8.0 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 $5,120.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2021-43932 — 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-2021-43932 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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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
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