CVE-2023-24504
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 · uneditedElectra Central AC unit – Adjacent attacker may cause the unit to connect to unauthorized update server.
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 vulnerability allows an adjacent attacker (within network proximity) to manipulate the Electra Central AC unit into connecting to a malicious or unauthorized update server instead of the legitimate vendor update server. This could enable firmware tampering, man-in-the-middle attacks, or injection of malicious code during the firmware update process.
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= v7= v8CVSS 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
- None
- Integrity
- High
- Availability
- None
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/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 Electra AC unit firmware versionAccess the device management interface or check system information to determine the installed firmware version. Common methods include logging into the unit's web interface, checking via the vendor's diagnostic tool, or reviewing the device's system status page.Affected if The installed firmware version is v7 or v8, as these are the known affected versions.
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Determine network accessibility of the AC unitAssess whether the Electra AC unit is reachable from network segments accessible to adjacent attackers. This includes checking if the device is on a shared or untrusted network segment, or if it can be reached from guest networks, demilitarized zones, or other low-trust network areas.Affected if The device is accessible from network locations where an adjacent attacker could intercept or redirect network traffic.
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Inspect the configured update server endpointCheck the AC unit's configuration to identify the configured firmware update server URL. This is typically found in the device's network settings, update configuration, or remote management settings.Affected if The device is configured to connect to an update server that is not the legitimate vendor update server, or if the update server URL can be manipulated.
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Verify certificate validation for update connectionsExamine whether the device performs cryptographic validation of the update server's certificate or implements certificate pinning for firmware update connections.Affected if Certificate validation is not enforced, the device accepts connections to unauthorized servers, or no pinning is implemented.
The environment is affected if the Electra Air Central AC unit is running firmware version v7 or v8 and is accessible to adjacent network attackers who could redirect update connections to malicious servers.
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 certificate pinning and cryptographic validation for update server connections, and employ network segmentation to limit the adjacent attack surface.
- Consultation4.0 h
- Implementation12.0 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 $7,808.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-24504 — 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-2023-24504 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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