CVE-2023-1399
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 · uneditedN6854A Geolocation Server versions 2.4.2 are vulnerable to untrusted data deserialization, which may allow a malicious actor to escalate privileges in the affected device’s default configuration and achieve remote code execution.
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 N6854A Geolocation Server version 2.4.2 contains an unauthenticated deserialization vulnerability where untrusted data is processed without proper validation. This allows attackers to inject malicious serialized payloads that execute arbitrary code with elevated privileges, leading to 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<= 2.4.2CVSS 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 N6854A Geolocation Server installationLocate and confirm the presence of the Keysight N6854A Geolocation Server in your environment. Check installed applications, services, or network devices running this software.Affected if The N6854A Geolocation Server is present in the environment
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Check installed firmware versionAccess the Geolocation Server administrative interface or check the firmware version through the system's about/info page, CLI command, or version lookup mechanism. Compare your version against the affected range of <= 2.4.2.Affected if The firmware version is 2.4.2 or any earlier version
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Verify service exposureDetermine if the Geolocation Server service is accessible from network segments outside the trusted internal network. Check firewall rules, port exposures, and network ACLs controlling access to the server.Affected if The service is exposed to untrusted or external network segments without proper access controls
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Review authentication configurationInspect the server configuration to confirm whether authentication is required for the affected deserialization endpoint. Check if unauthenticated access is permitted to the processing functions.Affected if Unauthenticated access is allowed to the deserialization functionality
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Look for indicators of compromiseReview server logs for suspicious serialized payloads, unexpected network connections, or anomalous process execution. Check for new or unrecognized files, services, or user accounts on the system.Affected if Log analysis reveals deserialization attack patterns, unauthorized code execution, or system integrity changes
A user is affected if they have the N6854A Geolocation Server running firmware version 2.4.2 or lower with the service accessible to potential attackers.
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 to a patched version if available; otherwise implement network segmentation to restrict access to the Geolocation Server, disable unnecessary services, and monitor for indicators of compromise. Consider applying web application firewall rules to detect deserialization attack patterns.
- Consultation4.0 h
- Implementation8.0 h
- Testing6.0 h
- Review / QA3.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-1399 — 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-2023-1399 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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