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29/07/2025
Zero-Day Initiative

ZDI-25-671: Samsung MagicINFO 9 Server PremiumClientService Hard-coded Cryptographic Key Authentication Bypass Vulnerability

by Deepanshu Jha
This vulnerability allows remote attackers to bypass authentication on affected installations of Samsung MagicINFO 9 Server. Authentication is not required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 9.1. The following CVEs are assigned: CVE-2025-54455.
  • Next PaperCut NG/MF Vulnerability added to CISA KEV and Active Exploitation (CVE-2023-2533)
  • Previous ZDI-25-670: Samsung MagicINFO 9 Server PremiumClientService Hard-coded Cryptographic Key Authentication Bypass Vulnerability

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