CVE-2023-48242
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 · uneditedThe vulnerability allows an authenticated remote attacker to download arbitrary files in all paths of the system under the context of the application OS user (“root”) via a crafted HTTP request.
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 confidenceThis is an arbitrary file download vulnerability (path traversal) in a web application. An authenticated remote attacker can craft HTTP requests to download any file from the system, running with root privileges. This allows full compromise of sensitive data including configuration files, credentials, and other system files.
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>= 1000, <= 1500-sp2CVSS 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
- None
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/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 installed Bosch Nexo Os versionAccess the system administration interface or use the product's built-in version check command. Common locations include About pages in the web UI, CLI commands like 'system info' or 'version', or configuration files in the installation directory.Affected if The installed version falls within the range >= 1000 and <= 1500-sp2.
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Verify web application interface is accessibleConfirm the Bosch Nexo Os web interface is reachable on its expected network port (typically 443 or 8080 for HTTPS). Attempt to access the login page.Affected if The web interface is exposed and accessible on the network.
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Confirm application runs with elevated privilegesInspect the process running the Bosch Nexo Os application using commands like 'ps aux | grep nexo' or check the service configuration file to identify the user the process runs as.Affected if The application process runs as root or a user with root-level privileges.
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Locate file download functionalityExplore the web interface for file export, backup, report download, or log download features. These may be under settings, reports, diagnostics, or administration sections.Affected if A file download or export feature exists and is accessible to authenticated users.
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Test for path traversal in download parametersIf a file download feature exists, capture a download request and attempt to modify the file path parameter to include traversal sequences such as '../' to access files outside the intended directory.Affected if The application accepts path traversal sequences and returns files from outside the intended directory scope.
A system is affected if it runs Bosch Nexo Os version 1000 through 1500-sp2, has the web interface accessible, runs the application as root, and contains a file download feature vulnerable to path traversal manipulation.
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 strict input validation on file download parameters, use allowlists for permitted paths, remove or restrict path traversal sequences (../), and ensure the application does not run with root privileges.
- Consultation4.0 h
- Implementation8.0 h
- Testing4.0 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 $5,408.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-48242 — 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-2023-48242 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
- No spam, self-promotion, credentials, or personal data