CVE-2024-21794
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 · uneditedIn Rapid Software LLC's Rapid SCADA versions prior to Version 5.8.4, an attacker can redirect users to malicious pages through the login 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 · moderate confidenceThis is an open redirect vulnerability in Rapid SCADA versions prior to 5.8.4. Attackers can craft malicious URLs through the login page parameter to redirect users to external malicious websites after authentication attempts.
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<= 5.8.4CVSS 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
- Low
- User interaction
- Required
- Scope
- Changed
- Confidentiality
- None
- Integrity
- Low
- Availability
- Low
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:L
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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Determine installed Rapid SCADA versionCheck the version information through the application's About page, installation directory, or Windows Programs and Features. Common locations include the application's config files or the main executable's properties.Affected if The installed version is 5.8.4 or lower, or if the version cannot be confirmed as 5.8.5 or higher
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Verify login page accessibilityAccess the Rapid SCADA web interface login page (typically at /Login or the root URL of the installation) using a web browser or command-line tool like curl.Affected if The login page is publicly or internally accessible without additional authentication
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Test for open redirect parameterSubmit a login attempt with a crafted returnUrl parameter pointing to an external domain (for example: /Login?returnUrl=//attacker.com). Observe whether the application redirects to the specified external site after the login attempt.Affected if The application redirects to the external URL specified in the parameter rather than rejecting it or only allowing internal paths
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Review login page parameter configurationInspect the login page's source code or configuration files to identify how the returnUrl or redirect parameter is handled and validated.Affected if The parameter accepts absolute URLs to external domains without validation or restriction
A user is affected if Rapid SCADA version 5.8.4 or lower is installed and the login page accepts and processes unvalidated redirect parameters to external URLs.
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.
dbcve · scopedUpgrade Rapid SCADA to Version 5.8.4 or later to obtain the security patch for this open redirect vulnerability.
Version 5.8.4
- Back up the current Rapid SCADA installation and database before proceeding
- Download Rapid SCADA version 5.8.4 or later from the official source at rapidscada.org
- Stop the Rapid SCADA service
- Install the updated version following the standard upgrade procedure
- Start the Rapid SCADA service and verify the login page functions correctly
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation2.0 h
- Implementation2.0 h
- Testing4.0 h
- Review / QA2.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2024-21794 — 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-2024-21794 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
- No spam, self-promotion, credentials, or personal data