CVE-2025-10035
Fortra GoAnywhere MFT Deserialization of Untrusted Data Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 20 October 2025). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
A deserialization vulnerability in the License Servlet of Fortra's GoAnywhere MFT allows an actor with a validly forged license response signature to deserialize an arbitrary actor-controlled object, possibly leading to command injection.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 99.80% probability · 100th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Listed 29 September 2025 · due 20 October 2025 · used in ransomware campaigns
- Weakness
- CWE-77, CWE-502
- Affected
- fortra/goanywhere managed file transfer
- Source
- df4dee71-de3a-4139-9588-11b62fe6c0ff
EPSS 99.8% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
CISA notes
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. https://www.fortra.com/security/advisories/product-security/fi-2025-012 ; https://nvd.nist.gov/vuln/detail/CVE-2025-10035
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.