CVE-2020-16246
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 affected Reason S20 Ethernet Switch is vulnerable to cross-site scripting (XSS), which may allow attackers to trick users into following a link or navigating to a page that posts a malicious JavaScript statement to the vulnerable site, causing the malicious JavaScript to be rendered by the site and executed by the victim client.
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 confidenceThe Reason S20 Ethernet Switch has a cross-site scripting (XSS) vulnerability in its web interface. Attackers can craft malicious links or pages that submit JavaScript code to the switch, which then gets rendered and executed in victim users' browsers when they visit the compromised page.
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< 07a06< 07a06CVSS 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 the switch modelCheck the physical device label or log into the web interface and look at the device information page to confirm the model is GE S2020 or S2024Affected if The model is GE S2020 or S2024
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Check the firmware versionLog into the switch web interface and navigate to the System or Administration section to view the firmware version. Compare it to 07a06Affected if The firmware version is less than 07a06 (for example, 07a05, 07a04, or earlier)
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Verify the web interface is enabledCheck if the HTTP/HTTPS web management interface is accessible by attempting to reach the switch IP in a browserAffected if The web interface is accessible and no authentication is required or can be bypassed
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Inspect for existing XSS payloadsReview any saved configurations, logged HTTP requests, or proxy logs for suspicious script tags or JavaScript code that may have been injected into web interface parametersAffected if Any configuration data or logs contain unsanitized script tags, JavaScript event handlers, or suspicious URL parameters
You are affected if you have a GE S2020 or S2024 switch running firmware version earlier than 07a06 and the web management interface is enabled.
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 data07a06
Implement proper input validation and output encoding for all user-supplied data in the web interface. Consider adding a Content Security Policy (CSP) header to restrict script execution.
- Consultation3.0 h
- Implementation6.0 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 $4,224.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2020-16246 — 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-2020-16246 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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