CVE-2023-47174

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-10-31 · updated 2026-06-17
Weakness: CWE-502

Description

Thorn SFTP gateway 3.4.x before 3.4.4 uses Pivotal Spring Framework for Java deserialization of untrusted data, which is not supported by Pivotal, a related issue to CVE-2016-1000027. Also, within the specific context of Thorn SFTP gateway, this leads to remote code execution.

Affected products

Thorntech Sftp Gateway Firmware: from 3.4.0 before 3.4.4 — fixed in 3.4.4

How to fix

Upgrade to a fixed version: Thorntech Sftp Gateway Firmware 3.4.4. Check the vendor advisory for mitigations.

References

https://help.thorntech.com/docs/sftp-gateway-gcp-3.0/gcp-java-deserialization-rce/
https://help.thorntech.com/docs/sftp-gateway-gcp-3.0/gcp-java-deserialization-rce/

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