CVE-2023-28726
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 · uneditedPanasonic AiSEG2 versions 2.80F through 2.93A allows remote attackers to execute arbitrary OS commands.
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 confidenceA command injection vulnerability in Panasonic AiSEG2 building management system versions 2.80F through 2.93A allows remote attackers to execute arbitrary operating system commands without authentication. The vulnerability is likely present in the web interface or network service component of the device, enabling complete system compromise.
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>= 2.80f, <= 2.93aCVSS 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
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:L/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 the AiSEG2 firmware versionAccess the device web interface and navigate to the System Information or Maintenance page to view the firmware version. Alternatively, check via SNMP using the OID for device firmware information if SNMP is enabled.Affected if The displayed firmware version falls within the range of 2.80f through 2.93a (inclusive).
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Verify web interface network exposureDetermine if the AiSEG2 web interface (typically on ports 80/tcp or 443/tcp) is accessible from untrusted networks such as the public internet or less-trusted network segments. Use network scanning tools to confirm open HTTP/HTTPS ports on the device IP address.Affected if The web interface is reachable from networks outside the trusted internal segment, increasing exposure to remote attackers.
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Review access logs for suspicious requestsExamine the AiSEG2 web server access logs or system logs for unusual or unexpected HTTP requests that may indicate command injection attempts, especially requests containing shell metacharacters like ; | & $ or backticks.Affected if Logs show malformed requests with command injection patterns or unexpected system command executions.
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Check for unauthorized processes or artifactsIf terminal access to the underlying operating system is possible, use system commands (ps, top, or similar) to look for unexpected running processes, newly created files in system directories, or unauthorized scheduled tasks.Affected if Unexpected processes are running, new suspicious files exist, or unauthorized modifications to system configuration are found.
A user is affected if their AiSEG2 device runs firmware version 2.80f through 2.93a and the vulnerable web interface component is network-accessible.
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 · scopedApply the latest firmware update from Panasonic (version beyond 2.93A) to all affected AiSEG2 devices. If patches are unavailable, isolate affected devices on a restricted network segment and disable external access to reduce attack surface.
Firmware version higher than 2.93a (contact Panasonic for exact fixed release)
- Identify the current AiSEG2 firmware version installed on the device
- Visit the official Panasonic support portal at www2.panasonic.biz or contact Panasonic support to obtain the latest firmware version
- Download the firmware update file from Panasonic's official source
- Follow Panasonic's documented firmware update procedure for AiSEG2 devices
- After updating, verify the firmware version has changed to a version higher than 2.93a
- Confirm the device is functioning normally post-update
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation6.0 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 $8,448.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-28726 — 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-2023-28726 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
- No spam, self-promotion, credentials, or personal data