Overview Recently, NSFOCUS CERT detected that H2O-3 released a security update to fix the H2O-3 JDBC deserialization vulnerability (CVE-2025-6544); This vulnerability is a bypass of CVE-2025-6507. Due to the system's flawed handling of JDBC connection parameters, an unauthenticated attacker can bypass existing regular expression checks through double URL encoding, thereby...
Category: Emergency Response
Microsoft’s September Security Update High-Risk Vulnerability Notice for Multiple Products
Overview On September 10, NSFOCUS CERT detected that Microsoft released the September Security Update patch, fixing 86 security issues involving widely used products such as Windows, Microsoft Office, Azure, and Microsoft SQL Server, including high-risk vulnerability types such as privilege escalation and remote code execution. Among the vulnerabilities fixed by...
H2O-3 JDBC Deserialization Vulnerability (CVE-2025-6507)
Overview Recently, NSFOCUS CERT detected that H2O-3 released a security update to fix the H2O-3 JDBC deserialization vulnerability (CVE-2025-6507); This vulnerability is a bypass of CVE-2024-45758 and CVE-2024-10553. Due to the deserialization flaw in the system's JDBC connection processing logic, an unauthenticated attacker can bypass existing regular expression filtering by...
Gitblit Authentication Bypass Vulnerability (CVE-2024-28080)
Overview Recently, NSFOCUS CERT detected that Gitblit issued a security announcement and fixed the Gitblit authentication bypass vulnerability (CVE-2024-28080); Because Gitblit's SSH service has defects in the public key authentication process, unauthenticated attackers can use the client's public key to trigger signature verification failure and fall back to password-based authentication...
Microsoft’s August Security Update High-Risk Vulnerability Notice for Multiple Products
Overview On August 13, NSFOCUS CERT detected that Microsoft released the August Security Update patch, which fixed 111 security issues involving widely used products such as Windows, Microsoft Office, Microsoft SQL Server, Visual Studio, and Microsoft Exchange Server. These include high-risk vulnerability types such as privilege escalation and remote code...
Cursor Remote Code Execution Vulnerability (CVE-2025-54135)
Overview Recently, NSFOCUS CERT detected that Cursor issued a security bulletin and fixed the Cursor remote code execution vulnerability (CVE-2025-54135); Because Cursor allows files to be written to the workspace without user approval, when an external Model Control Protocol (MCP) server is configured through the Cursor user interface, an attacker...
