CVE-2025-47221

Medium

Description

An arbitrary file write was found in Keyfactor SignServer versions prior to 7.3.2. The properties ARCHIVETODISK_FILENAME-PATTERN, ARCHIVETODISK_PATH_BASE, ARCHIVETODISK_PATH_PATTERN can be set to any path, even ones that will point to files that already exist. This vulnerability gives a user with admin access the possibility to write files in arbitrary directories in the server file system and potentially overwrite files accessible by the local user JBoss.

SeverityMedium

CVSS5.3

Exploit probability—

ProductKeyfactor Signserver

PublishedNov 13, 2025

First seenNov 13, 2025

Weakness typeCWE-284Improper access control

How to fix

Update

keyfactor signserver7.3.1 or later

Vendor advisories

docs.keyfactor.com/signserver/latest/signserver-7-3-release-notes

Affected products

Product	Affected versions	Fixed in
keyfactor signserver	v < 7.3.1	7.3.1

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