CVE-2023-0669 — Fortra GoAnywhere MFT Remote Code Execution Vulnerability

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.

01What is this vulnerability?

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.

02Affected products

Vendor	Product	Versions
Fortra	Goanywhere MFT	0

03Active exploitation status

Yes — actively exploited. Added to the CISA KEV catalog on 2023-02-10. Ransomware use: Known.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

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07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-02-06T19:16:19.265Z
• Last modified: 2025-10-21T23:15:27.683Z
• Added to CISA KEV: 2023-02-10
• BOD 22-01 due: 2023-03-03

09References

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