Exploited vulnerability · CISA KEV
Yes. CVE-2025-10035, Fortra GoAnywhere MFT Deserialization of Untrusted Data Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 29 Sep 2025, 11 days after it was published. It is known to be used in ransomware campaigns. It affects Fortra GoAnywhere MFT. If you run it, CISA's required action is: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
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.
| Vendor | Fortra (4 exploited CVEs in KEV) |
| Product | GoAnywhere MFT |
| Vulnerability | Fortra GoAnywhere MFT Deserialization of Untrusted Data Vulnerability |
| Weakness | CWE-502, CWE-77 |
| Published | 18 Sep 2025 |
| Added to KEV | 29 Sep 2025 |
| Reported by (CNA) | Fortra |
Yes. CISA added CVE-2025-10035 to the Known Exploited Vulnerabilities catalog on 29 Sep 2025, which means there is reliable evidence of exploitation in the wild.
Yes, CISA lists it as known to be used in ransomware campaigns.
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. Check Fortra's advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected GoAnywhere MFT and watch it for signs of compromise.
Sources: CISA KEV (exploitation, ransomware use, required action, due date), the CVE record (publication date, CVSS, CNA), NVD and FIRST EPSS (live score). More: all KEV additions in September 2025 · Fortra scorecard · act-now radar.
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