VulnerabilityAnalyzed

CVE-2025-10035

Fortra GoAnywhere MFT Deserialization of Untrusted Data Vulnerability

KEVCRITICAL 9.8EPSS 99.8%

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
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

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

https://www.fortra.com/security/advisories/product-security/fi-2025-012Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-10035US Government Resource

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.