CVE-2024-23783
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 · uneditedImproper authentication vulnerability in Energy Management Controller with Cloud Services JH-RVB1 /JH-RV11 Ver.B0.1.9.1 and earlier allows a network-adjacent unauthenticated attacker to access the affected product without authentication.
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 confidenceImproper authentication in Energy Management Controller JH-RVB1/JH-RV11 allows network-adjacent unauthenticated attackers to bypass authentication and access the device. This could enable attackers to view or manipulate energy management data and configurations.
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<= b0.1.9.1<= b0.1.9.1CVSS 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
- Adjacent
- Complexity
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:A/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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Identify device firmware versionAccess the Energy Management Controller web interface, management console, or device settings to retrieve the installed firmware version. Consult device documentation for the specific method (often under System Info, Device Status, or About section).Affected if Firmware version is b0.1.9.1 or earlier (any version <= b0.1.9.1)
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Verify network exposureDetermine if the device is accessible from network-adjacent locations. Check router/firewall configurations to see if the device's IP or web interface port is exposed to untrusted networks or the broader internet.Affected if Device is reachable from untrusted network segments or directly from the internet without firewall isolation
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Confirm authentication is enforcedAttempt to access protected pages or configuration areas on the device without credentials to see if authentication is properly enforced. If the device allows unauthenticated access to sensitive energy management data or settings, this indicates the vulnerability is present.Affected if Unauthenticated access to device configuration or data is possible without providing credentials
You are affected if your Sharp JH-RVB1 or JH-RV11 device runs firmware version b0.1.9.1 or earlier AND is accessible from network-adjacent attackers without proper isolation.
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 dataUpgrade firmware to version newer than B0.1.9.1 when available. Until then, isolate the device behind a firewall or restrict network access to prevent unauthorized adjacent network attackers.
- Consultation3.0 h
- Implementation4.0 h
- Testing3.0 h
- Review / QA2.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2024-23783 — 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-2024-23783 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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