CVE-2023-0669 Fortra GoAnywhere MFT Remote Code Execution
Pre-authentication attackers can execute arbitrary commands via deserialization in the License Response Servlet of Fortra GoAnywhere MFT.
- Exploited in the wild
- Since 10 Feb 2023
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-0669?
CVE-2023-0669 is a high-severity unsafe deserialization vulnerability in Fortra Goanywhere MFT, published on 6 Feb 2023. An attacker needs administrator access to exploit it, with no action from the victim.
Official 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.
Weakness: CWE-502
Which versions are affected by CVE-2023-0669?
It affects 1 product.
Products include Fortra Goanywhere Managed File Transfer.
How do I fix CVE-2023-0669?
No fix has been published for CVE-2023-0669 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 3 Mar 2023.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2023-0669 being exploited?
Yes. Attackers have exploited CVE-2023-0669 in the wild since at least 10 Feb 2023, including in ransomware campaigns.
Public exploit code: 1 Metasploit module, 1 Exploit-DB entry, 1 Nuclei template and 5 proofs of concept on GitHub.
Other vulnerabilities in Fortra Goanywhere MFT
- CVE-2025-10035 Fortra GoAnywhere MFT Deserialization of Untrusted Data
- CVE-2024-0204 Authentication Bypass in GoAnywhere MFT
- CVE-2025-14362 GoAnywhere MFT SFTP Service Login Vulnerable to Brute Force Attack Under Certain Circumstances
- CVE-2026-1089 User‑Controlled HTTP Header In Fortra's GoAnywhere MFT Allows Arbitrary DNS Lookups
- CVE-2024-25157 Authentication bypass in GoAnywhere MFT prior to 7.6.0