Risk Letters

Exploited vulnerability

CVE-2025-10035

TLP:CLEAR

Fortra GoAnywhere MFT Deserialization of Untrusted Data Vulnerability

Fortra GoAnywhere MFT contains a deserialization of untrusted data vulnerability allows an actor with a validly forged license response signature to deserialize an arbitrary actor-controlled object, possibly leading to command injection.

Facts

  • Vendor: Fortra
  • Product: GoAnywhere MFT
  • CVSS: 10
  • EPSS (probability of exploitation within 30 days): 99.8 %
  • On CISA's Known Exploited Vulnerabilities list since: 29 September 2025
  • First known exploitation: 29 September 2025
  • Used in ransomware campaigns (per CISA): Yes
  • CISA's deadline for US federal agencies: 20 October 2025
  • Weakness: CWE-502
  • First seen by Risk Letters: 29 September 2025

Members see which Nordic sectors the flaw hits, and what to do about it.

Get the full brief

Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD