CVE-2025-47220

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.

CVSS v3.1 Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Weakness Type (CWE)

CWE-284 CWE-284

Affected Products

Vendor	Product	Versions
keyfactor	signserver	< 7.3.1

References

Other References

https://docs.keyfactor.com/signserver/latest/signserver-7-3-release-notes https://support.keyfactor.com https://support.keyfactor.com/hc/en-us/articles/37638761131035-SignServer-CVE-2025-47220-Local-file-enumeration

Frequently Asked Questions

What is CVE-2025-47220? +

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. It has a CVSS v3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2025-47220? +

CVE-2025-47220 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-47220? +

CVE-2025-47220 affects products from keyfactor, specifically: signserver. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-47220? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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