Vulnerability in Keyfactor Signserver
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.
EPSS: 0.002 (15.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.
Affected products
- Keyfactor Signserver
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Product)
- cve@mitre.org (Release Notes)
- cve@mitre.org
Frequently asked questions
- What is CVE-2025-47221?
- CVE-2025-47221 is a medium-severity vulnerability in Keyfactor Signserver, classified under Improper Access Control. CVSS score: 5.3/10. Published 2025-11-13.
- How severe is CVE-2025-47221?
- Medium severity. CVSS v3 base score is 5.3 out of 10.