PT-2025-46909 · Keyfactor · Keyfactor Signserver

Published 2025-11-13 · Updated 2025-12-09 · CVE-2025-47221

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Name of the Vulnerable Software and Affected Versions Keyfactor SignServer versions prior to 7.3.1

Description Keyfactor SignServer has an issue with Incorrect Access Control. This allows for an authentication bypass.

Recommendations Update Keyfactor SignServer to version 7.3.1 or later.

Fix

Improper Access Control

Weakness Enumeration

CWE-284

Related Identifiers

CVE-2025-47221

Affected Products

Keyfactor Signserver

References · 8

• https://nvd.nist.gov/vuln/detail/CVE-2025-47221 · Security Note
• https://osv.dev/vulnerability/CVE-2025-47221 · Vendor Advisory
• https://t.me/CVEtracker/37284 · Telegram Post
• https://docs.keyfactor.com/signserver/latest/signserver-7-3-release-notes · Note
• https://t.me/cveNotify/143762 · Telegram Post
• https://support.keyfactor.com · Note
• https://support.keyfactor.com/hc/en-us/articles/37639116791067-SignServer-CVE-2025-47221-Arbitrary-file-write · Note
• https://t.me/cveNotify/145234 · Telegram Post