CVE-2025-47220
CVE-2025-47220 is a medium-severity vulnerability in Keyfactor Signserver with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-284.
Key facts
- Severity: Medium (CVSS 3.x base score 5.3)
- EPSS exploit prediction: 0% (15th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-175380
- Weakness: CWE-284
- Affected product: Keyfactor Signserver
- Published:
- Last modified:
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.
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.
- How severe is CVE-2025-47220?
- CVE-2025-47220 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
- Is CVE-2025-47220 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-47220?
- CVE-2025-47220 affects Keyfactor Signserver. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-47220?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2025-47220 have an EU (EUVD) identifier?
- Yes. CVE-2025-47220 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-175380.
- When was CVE-2025-47220 published?
- CVE-2025-47220 was published on 2025-11-13 and last updated on 2026-06-17.
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
Affected products (1)
- cpe:2.3:a:keyfactor:signserver:*:*:*:*:*:*:*:*
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