CVE-2025-10035: Fortra GoAnywhere MFT Deserialization of Untrusted Data Vulnerability
- Is it exploited?
Yes. CISA added it to the Known Exploited Vulnerabilities catalog on , 11 days after the CVE record was published.
- How likely is exploitation in the next 30 days?
- 99.8%
EPSS score, percentile 100 of all scored records
- How severe?
- 10.0 Critical
CVSS v3.1 base score, given by the CNA
- What should I do?
CISA deadline . Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
The CVE record links no vendor advisory, patch or mitigation.
- Which versions are affected?
Affected
- 7.8.3 and earlier
Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of ; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of ; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of . About the data.
What to do
Required action, set by CISA
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
CISA due date for this action: .
Solution (from the CVE record)
Upgrade to a patched version (the latest release 7.8.4, or the Sustain Release 7.6.3)
Workaround (from the CVE record)
Immediately ensure that access to the GoAnywhere Admin Console is not open to the public. Exploitation of this vulnerability is highly dependent upon systems being externally exposed to the internet.
Advisories and patches
The CVE record links no vendor advisory, patch or mitigation.
Linked from CISA's catalog entry
- https://www.fortra.com/security/advisories/product-security/fi-2025-012
- https://nvd.nist.gov/vuln/detail/CVE-2025-10035
Affected products and versions
As listed in the CVE record.
| Status | Versions |
|---|---|
| Affected | 7.8.3 and earlier |
Versions not listed are: affected.
Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of . About the data.
About this 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.
Summary: CISA's KEV catalog, as of .
- CISA added CVE-2025-10035 to its Known Exploited Vulnerabilities (KEV) catalog on 29 Sep 2025.
- CISA marks it as known to be used in ransomware campaigns.
- The due date CISA sets for the required action is 20 Oct 2025.
- The CVE record was published on 18 Sep 2025, 11 days before it was added to KEV.
- The CVE record carries a CVSS v3.1 base score of 10.0 (Critical), given by its CNA.
- FIRST's EPSS model puts the probability of exploitation in the next 30 days at 99.8% (percentile 100), as of 28 Oct 2026.
- CISA's SSVC assessment in the CVE record: exploitation active, automatable yes, technical impact total.
Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of ; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of ; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of . About the data.
Description
Deserialization Vulnerability in GoAnywhere MFT's License Servlet
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.
Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of . About the data.
Weakness
- CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection')
- CWE-502: Deserialization of Untrusted Data
Attack patterns (CAPEC)
- CAPEC-248: Command Injection
CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record and the KEV entry.
Timeline
| Date | Event |
|---|---|
| CVE record published | |
| Added to CISA KEV | |
| CISA due date for the required action | |
| CVE record last updated |
References
More exploited Fortra vulnerabilities
- CVE-2022-39197: Fortra Cobalt Strike Teamserver Cross-Site Scripting (XSS) Vulnerability
- CVE-2022-42948: Fortra Cobalt Strike User Interface Remote Code Execution Vulnerability
- CVE-2023-0669: Fortra GoAnywhere MFT Remote Code Execution Vulnerability