CVE-2023-47174
CWE-502Published: October 31, 2023· Updated: Jun 17, 2026
Official 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.
Risk Analysis
Thorn SFTP gateway versions 3.4.x before 3.4.4 are vulnerable to remote code execution due to insecure Java deserialization. This critical issue stems from the use of an unsupported Spring Framework component.
There is no known public exploit for this vulnerability, and it is not in the CISA KEV.
Upgrade to Thorn SFTP gateway version 3.4.4 or later.
Technical Analysis
CVE-2023-47174 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
From a weakness classification perspective (CWE-502): Insecure deserialization vulnerabilities allow attackers to inject malicious objects during deserialization, potentially enabling remote code execution.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (2)
Quick Facts
Related CVEs (CWE-502)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2023-47174 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts