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CVE-2025-10035

Fortra GoAnywhere MFT Deserialization of Untrusted Data

10.0 CRITICALActively exploited (CISA KEV)Used in ransomwareEPSS 99.8%
  1. Published18 Sept 2025
  2. Added to CISA KEV29 Sept 2025
  3. Remediation due20 Oct 2025
Actively exploited (CISA KEV)

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.

Added to KEV: 29 Sept 2025Federal remediation due: 20 Oct 2025Used in ransomware

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 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected products

Fortra Goanywhere Managed File Transfer≥ 7.7.0 < 7.8.4 · < 7.6.3

Remediation

Fixed in
Fortra Goanywhere Managed File Transfer≥ 7.8.4

References

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Frequently asked

Is CVE-2025-10035 being actively exploited?

Yes. CVE-2025-10035 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 29 Sept 2025. It has been used in ransomware campaigns.

How severe is CVE-2025-10035?

CVE-2025-10035 has a CVSS 3.1 base score of 10.0, rated critical. EPSS estimates a 99.8% probability of exploitation.

Which products are affected by CVE-2025-10035?

Affected products include Fortra Goanywhere Managed File Transfer.

How do I fix CVE-2025-10035?

Upgrade affected software to a fixed version, for example Fortra Goanywhere Managed File Transfer 7.8.4 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-10035 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.