CVE-2023-53968
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 · uneditedScreen SFT DAB 600/C Firmware 1.9.3 contains a session management vulnerability that allows attackers to bypass authentication controls by exploiting IP address session binding. Attackers can reuse the same IP address and issue unauthorized requests to the userManager API to remove user accounts without proper 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 confidenceThe Screen SFT DAB 600/C Firmware 1.9.3 has a session management flaw where IP address-based session binding can be bypassed. Attackers can exploit this by reusing a known IP address to send unauthorized requests to the userManager API, allowing deletion of user accounts without authentication.
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= 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
- Network
- Complexity
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/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 firmware versionAccess the device admin interface or check system information page to locate the firmware version. Alternatively, consult device documentation or network scanning tools that can retrieve system banners.Affected if Firmware version is exactly 1.9.3
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Verify userManager API accessibilityAttempt to reach the /userManager endpoint or related API paths from both trusted and untrusted network segments. Check HTTP response headers and authentication requirements.Affected if The userManager API responds without requiring token or cookie-based authentication
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Confirm IP-based session binding is usedReview session management configuration in the device administrative panel. Look for settings that bind sessions solely to IP addresses without additional token or cookie validation.Affected if Sessions are bound only to IP addresses with no secondary authentication mechanism
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Assess network exposureDetermine if the device management interface is accessible from untrusted networks. Check firewall rules, ACLs, and whether the device has a public IP or is behind proper network segmentation.Affected if Device is reachable from untrusted networks without network-level access controls
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Test session reuse from different IPIf you can observe session logs, verify whether sessions established from one IP can be used successfully when requests originate from a different IP address.Affected if Sessions remain valid when used from a different IP address than the original binding
A user is affected if the device runs Dbbroadcast Sft Dab 600/C Firmware 1.9.3, exposes the userManager API without token/cookie authentication, and relies solely on IP address-based session binding while being accessible from untrusted networks.
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 stronger session validation using token-based or cookie-based authentication rather than relying solely on IP address binding. Apply vendor firmware patch when available and consider network segmentation to limit exposure.
- Consultation4.0 h
- Implementation16.0 h
- Testing8.0 h
- Review / QA4.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-53968 — 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-2023-53968 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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