CVE-2023-33684
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 · uneditedWeak session management in DB Elettronica Telecomunicazioni SpA SFT DAB 600/C Firmware: 1.9.3 Bios firmware: 7.1 (Apr 19 2021) Gui: 2.46 FPGA: 169.55 uc: 6.15 allows attackers on the same network to bypass authentication by re-using the IP address assigned to the device by the NAT protocol.
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 SFT DAB 600/C firmware has weak session management that binds authentication sessions to the NAT-assigned IP address rather than using proper session tokens or cookies. Attackers on the same network can bypass authentication by reusing the device's public IP address to hijack active sessions.
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= 7.1= 1.9.3CVSS 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
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- High
- Availability
- None
CVSS:3.1/AV:A/AC:L/PR:L/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 device modelLocate the physical device or check the web admin interface for the SFT DAB 600/C model number. This vulnerability applies only to this specific device model.Affected if The device is not a Dbbroadcast SFT DAB 600/C unit.
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Check the firmware versionAccess the device web interface and navigate to the status or system information page to find the firmware version. Compare against 1.9.3.Affected if Firmware version is exactly 1.9.3.
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Check the BIOS versionAccess the device web interface or boot sequence to find the BIOS/UEFI version. Compare against 7.1.Affected if BIOS version is exactly 7.1.
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Verify web admin interface accessibilityDetermine if the device HTTP/HTTPS administration interface is accessible from the network. Check if port 80 or 443 (or custom ports) are listening and reachable.Affected if The device admin interface is exposed on a network where other untrusted devices can communicate with it.
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Assess network proximityIdentify whether other devices exist on the same network segment (same subnet/VLAN) as the DAB device that could observe or reuse the NAT-assigned IP address.Affected if Other untrusted devices share the same network segment and could potentially hijack sessions by impersonating the device IP address.
You are affected only if you have a Dbbroadcast SFT DAB 600/C device with firmware version 1.9.3 and BIOS version 7.1, and the device admin interface is accessible from a network where other devices can intercept or reuse the device IP address.
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 network segmentation to isolate the device from untrusted networks, and apply any available firmware updates. Consider implementing additional authentication factors or proper session token-based authentication if supported.
- Consultation4.0 h
- Implementation12.0 h
- Testing6.0 h
- Review / QA3.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $7,040.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-33684 — 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-2023-33684 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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- Version or environment caveats, and links to real fixes
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