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Actively exploitedKnown ransomware use

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

Fortra (formerly, HelpSystems) GoAnywhere MFT contains a pre-authentication remote code execution vulnerability in the License Response Servlet due to deserializing an attacker-controlled object.

From the CISA KEV catalogue version 2026.11.06, with Cybergen analysis. Updated 6 Nov 2026.

Our Assessment

Should You Worry?

Patch nowCybergen assessment
  • CISA confirmed exploitation in the wild and added it to the Known Exploited Vulnerabilities catalogue on 10 Feb 2023.
  • CISA lists it as known to be used in ransomware campaigns.
  • Rated High severity (CVSS 7.2, scored by CISA).
  • This product type is often exposed to the internet, which is where attackers scan for it first.
  • Named in Cybergen threat actor reporting: Clop, LockBit.
  • It has been in the catalogue for 1,365 days. Systems still unpatched now have almost certainly been scanned for it.
The Vulnerability

What It Is

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.

Affected Versions

ProductVersions
Fortra Goanywhere MFT7.1.1 and earlier

From the public CVE record, as supplied by the vendor. Always confirm against the vendor advisory.

From Watch to Action

What To Do Now

  1. 1

    Find it

    Search your asset inventory and external attack surface for Fortra GoAnywhere MFT. Include cloud images, appliances and anything a supplier runs for you.

    Attack Surface Management
  2. 2

    Fix it

    Apply updates per vendor instructions.

    Vulnerability Management
  3. 3

    Hunt for compromise

    If an affected system was reachable before you patched, assume it may have been hit. Check logs, new accounts, web shells and outbound connections from the date of exposure.

    Incident Response
  4. 4

    Prove it is fixed

    Rescan or test the system after patching. Upgrades that fail silently and forgotten secondary instances are common.

    Penetration Testing

Vendor Advisories

Regulation

The Compliance Clock

Cyber EssentialsRated high, so if it affects devices in your Cyber Essentials scope, the update must be installed within 14 days of the vendor releasing it.NIS2If exploitation causes a significant incident, essential and important entities owe their CSIRT an early warning within 24 hours and a notification within 72 hours.DORAFinancial entities must classify ICT incidents and send an initial notification for a major incident within strict deadlines, with exploited flaws a common cause.US federal (BOD 22-01)Federal civilian agencies had until 3 Mar 2023 to remediate. A sensible benchmark for everyone else.

General guidance, not legal advice. Your obligations depend on your sector, scope and jurisdiction.

Stay Ahead

More Exploited Fortra Flaws

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CVE-2025-10035 · RansomwareFortra GoAnywhere MFT Deserialization of Untrusted Data VulnerabilityAdded 29 Sep 2025CVE-2022-42948Fortra Cobalt Strike User Interface Remote Code Execution VulnerabilityAdded 30 Mar 2023CVE-2022-39197Fortra Cobalt Strike Teamserver Cross-Site Scripting (XSS) VulnerabilityAdded 30 Mar 2023

All 4 exploited Fortra vulnerabilities

Not Sure If You Are Exposed?

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Evidence

Sources

  1. CISA Known Exploited Vulnerabilities catalogue
  2. NVD: CVE-2023-0669
  3. CVE record: CVE-2023-0669
  4. FIRST EPSS
  5. my.goanywhere.com/webclient/ViewSecurityAdvisories.xhtml#zerodayfeb1
  6. infosec.exchange/@briankrebs/109795710941843934
  7. rapid7.com/blog/post/2023/02/03/exploitation-of-goanywhere-mft-zero-day-vulnerability/
  8. attackerkb.com/topics/mg883Nbeva/cve-2023-0669/rapid7-analysis
  9. github.com/rapid7/metasploit-framework/pull/17607
  10. duo.com/decipher/fortra-patches-actively-exploited-zero-day-in-goanywhere-mft
  11. frycos.github.io/vulns4free/2023/02/06/goanywhere-forgotten.html
  12. packetstormsecurity.com/files/171789/Goanywhere-Encryption-Helper-7.1.1-Remote-Code-Execution.html