CVE-2021-36124
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 · uneditedAn issue was discovered in Echo ShareCare 8.15.5. It does not perform authentication or authorization checks when accessing a subset of sensitive resources, leading to the ability for unauthenticated users to access pages that are vulnerable to attacks such as SQL injection.
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 confidenceEcho ShareCare 8.15.5 fails to enforce authentication or authorization on certain sensitive endpoints, allowing unauthenticated attackers direct access to pages containing SQL injection vulnerabilities. This critical auth bypass enables remote attackers to execute arbitrary SQL queries without any credentials.
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= 8.15.5CVSS 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
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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 Echo ShareCare installationLocate the Echo ShareCare application in your environment and identify its version number through the application interface, installation directory, or software inventoryAffected if The installed version is Echo ShareCare 8.15.5 exactly
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Identify the product versionCheck the application's version display (typically in About, Help, or footer section) or examine version files in the installation directoryAffected if Version reports as exactly 8.15.5 (the only affected version per this CVE)
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Locate sensitive endpointsReview the application URL structure and identify endpoints that typically handle sensitive operations such as user data, search parameters, or database-driven pagesAffected if Endpoints containing parameters like id=, user=, search=, or similar query parameters are present in the application
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Test endpoint accessibility without authenticationAttempt to access identified sensitive endpoints directly via HTTP/HTTPS request without providing any login credentials or session tokenAffected if The endpoints return functional content or error messages rather than redirecting to a login page or returning 401/403 authentication errors
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Check for unauthenticated SQL injection accessSend a test SQL injection payload (such as ' OR '1'='1 in a query parameter) to accessible sensitive endpoints without being logged inAffected if The application returns database error messages, unusual data, or behaves differently indicating the request reached the SQL layer without authentication protection
You are affected if Echo ShareCare version 8.15.5 is installed AND sensitive endpoints with SQL injection vulnerabilities are accessible without any authentication credentials.
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 proper authentication and authorization checks on all sensitive endpoints, and remediate the underlying SQL injection vulnerabilities in the affected pages.
- Consultation6.0 h
- Implementation16.0 h
- Testing8.0 h
- Review / QA4.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $9,600.
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Free · runs locallyCheck whether your project pulls in CVE-2021-36124 — 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-2021-36124 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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