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

Is it exploited?

Yes. CISA added it to the Known Exploited Vulnerabilities catalog on 10 Feb 2023, 4 days after the CVE record was published.

How likely is exploitation in the next 30 days?

100%

EPSS score, percentile 100 of all scored records

How severe?

7.2 High

CVSS v3.1 base score, from CISA's enrichment of the record

What should I do?

CISA deadline 3 Mar 2023. Apply updates per vendor instructions.

Advisories and patches (1)

Which versions are affected?

Affected

• 7.1.1 and earlier

Versions by product

Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.

What to do

CISA due date for this action: 3 March 2023.

Advisories and patches

• my.goanywhere.com (Vendor advisory)

Linked from CISA's catalog entry

• https://www.cisa.gov/news-events/cybersecurity-advisories/aa23-158a
• https://my.goanywhere.com/webclient/DownloadProductFiles.xhtml
• https://nvd.nist.gov/vuln/detail/CVE-2023-0669

Affected products and versions

As listed in the CVE record.

Versions not listed are: unaffected.

Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.

About this 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.

Summary: CISA's KEV catalog, as of 28 Oct 2026.

• CISA added CVE-2023-0669 to its Known Exploited Vulnerabilities (KEV) catalog on 10 Feb 2023.
• CISA marks it as known to be used in ransomware campaigns.
• The due date CISA sets for the required action is 3 Mar 2023.
• The CVE record was published on 6 Feb 2023, 4 days before it was added to KEV.
• The CVE record carries a CVSS v3.1 base score of 7.2 (High), taken from CISA's enrichment of the record.
• FIRST's EPSS model puts the probability of exploitation in the next 30 days at 100% (percentile 100), as of 28 Oct 2026.
• CISA's SSVC assessment in the CVE record: exploitation active, automatable no, technical impact total.

Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026. About the data.

Description

Fortra GoAnywhere MFT License Response Servlet Command Injection

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.

Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.

Weakness

• CWE-502: Deserialization of Untrusted Data

CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record and the KEV entry.

Timeline

References

• rapid7.com (Third-party advisory)
• attackerkb.com (Third-party advisory)
• frycos.github.io (Third-party advisory)
• github.com (Exploit)
• infosec.exchange
• duo.com
• packetstormsecurity.com

More exploited Fortra vulnerabilities

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