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CVE-2025-47220

5.3 · MEDIUM

A local file enumeration was found in Keyfactor SignServer versions prior to 7.3.2 .The property VISIBLE_SIGNATURE_CUSTOM_IMAGE_PATH, which exists in the PDFSigner and the PAdESSigner, can be set t…

Published Nov 13, 2025CWE-284EPSS 0.29%

Overview

CVE-2025-47220 is a medium-severity vulnerability. It was published on November 13, 2025 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

A local file enumeration was found in Keyfactor SignServer versions prior to 7.3.2 .The property VISIBLE_SIGNATURE_CUSTOM_IMAGE_PATH, which exists in the PDFSigner and the PAdESSigner, can be set to any path without any restrictions by an admin user. In the case that the provided path points to an existing file, readable by the user running the application server, but is not a recognized image format, it will return this as an error to the clientside, confirming the existences of the file.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refdocs.keyfactor.com/signserver/latest/signserver-7-3-release-notesRefsupport.keyfactor.comRefsupport.keyfactor.com/hc/en-us/articles/37638761131035-SignServer-CVE-2025-47220-Local-file-enumeration

How CyberStrike helps

Frequently asked questions

What is CVE-2025-47220?

CVE-2025-47220 is a medium-severity vulnerability. It was published on November 13, 2025 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2025-47220?

This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2025-47220?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2025-47220?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-47220 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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