CVE-2023-32752
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 · uneditedL7 Networks InstantScan IS-8000 & InstantQoS IQ-8000’s file uploading function does not restrict upload of file with dangerous type. An unauthenticated remote attacker can exploit this vulnerability to upload and run arbitrary executable files to perform arbitrary system commands or disrupt service.
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 confidenceUnrestricted file upload vulnerability in L7 Networks InstantScan IS-8000 and InstantQoS IQ-8000 allows unauthenticated remote attackers to upload and execute arbitrary executable files, leading to arbitrary command execution or service disruption.
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= iq-8000= is-8000CVSS 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.
-
Identify installed L7 Networks productCheck system inventory, running services, or web server logs for 'L7 Networks', 'InstantScan', 'InstantQoS', 'IS-8000', or 'IQ-8000' indicators. Look for application banners or service identification strings.Affected if The system runs L7 Networks InstantScan IS-8000 or InstantQoS IQ-8000 software.
-
Confirm exact version numberAccess the device web interface or check system files/registry for the precise version string. Compare against 'is-8000' or 'iq-8000'.Affected if The installed version is exactly 'is-8000' or 'iq-8000'.
-
Verify upload functionality existsInspect the web application for file upload endpoints, forms, or API paths related to scanning or QoS configuration. Common paths may include /upload, /file/upload, or similar.Affected if The web interface contains an unauthenticated file upload feature.
-
Check web root directory structureLocate the web application root directory (often /www, /htdocs, or /var/www). Identify folders where uploaded files are stored and whether they are executable.Affected if Uploaded files are stored within the web root in executable locations.
-
Assess network accessibilityDetermine if the device management interface is exposed to unauthenticated network access. Review firewall rules, NAT configurations, and interface bindings.Affected if The device web interface is accessible from untrusted networks without authentication.
You are affected if L7 Networks InstantScan IS-8000 or InstantQoS IQ-8000 is running with the exact version 'is-8000' or 'iq-8000' and the file upload feature is accessible to unauthenticated users.
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 file type validation (whitelist approach), require authentication for upload functionality, store uploads outside web root with no execute permissions, and apply vendor patch when available.
- Consultation4.0 h
- Implementation8.0 h
- Testing4.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $5,120.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-32752 — 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-2023-32752 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
Be the first to add a field note for this CVE — a mitigation you’ve verified, a version caveat, or a link to a working fix. Sign in above to contribute.
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