CVE-2025-47221: An arbitrary file write was found in Keyfactor SignServer versions prior to 7.3.2. The properties…

CVE-2025-47221 · Severity: medium · CVSS 5.3 · Published 2025-11-13

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.

Technologies: Keyfactor SignServer. Vendors: Keyfactor.

Quick answers

Is CVE-2025-47221 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-47221 being exploited in the wild.
How severe is CVE-2025-47221?
Medium severity, with a CVSS score of 5.3, published 13 November 2025.
Which products and versions are affected?
Keyfactor SignServer. The advisory does not name versions.
Is there a fix for CVE-2025-47221?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2025-47221?
Check whether you run Keyfactor SignServer. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Keyfactor SignServer

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