CVE-2025-47221

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.

CVSS v3.1 Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/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/37639116791067-SignServer-CVE-2025-47221-Arbitrary-file-write

Frequently Asked Questions

What is CVE-2025-47221? +

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

How severe is CVE-2025-47221? +

CVE-2025-47221 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-2025-47221? +

CVE-2025-47221 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-2025-47221? +

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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