Overview Recently, NSFOCUS CERT detected that Microsoft released a security announcement and fixed the spoofing vulnerability of Windows File Explorer (CVE-2025-24071), with a CVSS score of 7.5. Due to the implicit trust and automatic file parsing behavior of .library-ms files by Windows Explorer, unauthenticated attackers can save files by constructing...
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Ollama Unauthorized Access Vulnerability Due to Improper Configuration (CNVD-2025-04094)
Overview Recently, NSFOCUS detected that Ollama improperly configured and unauthorized access vulnerabilities were disclosed online (CNVD-2025-04094); Because Ollama does not have authentication and access control functions by default, when a user opens the service (port 11434 by default) to the public network, an unauthenticated attacker can directly call its API...
Apache Tomcat Remote Code Execution Vulnerability (CVE-2025-24813)
Overview Recently, NSFOCUS CERT detected that Apache issued a security announcement and fixed the remote code execution vulnerability of Apache Tomcat (CVE-2025-24813). An unauthenticated attacker can execute arbitrary code to gain server privileges when the application has servlet write enabled (disabled by default), uses Tomcat file session persistence and a...
The Invisible Battlefield Behind LLM Security Crisis
Overview In recent years, with the wide application of open-source LLMs such as DeepSeek and Ollama, global enterprises are accelerating the private deployment of LLMs. This wave not only improves the efficiency of enterprises, but also increases the risk of data security leakage. According to NSFOCUS Xingyun Lab, from January...
VMware ESXi & Workstation & Fusion Multiple High-risk Vulnerabilities (CVE-2025-22224/CVE-2025-22225/CVE-2025-22226)
Overview Recently, NSFOCUS CERT detected that VMware issued a security announcement and fixed multiple high-risk vulnerabilities (CVE-2025-22224/CVE-2025-22225/CVE-2025-22226) in VMware ESXi&Workstation&Fusion. At present, all the 3 vulnerabilities have been found to be exploited in the wild. Please take protective measures as soon as possible. CVE-2025-22224: There is a TOCTOU (CheckTime-of-use) write...
LLMs Are Posing a Threat to Content Security
With the wide application of large language models (LLM) in various fields, their potential risks and threats have gradually become prominent. “Content security†caused by inaccurate or misleading information is becoming a security concern that cannot be ignored. Unfairness and bias, adversarial attacks, malicious code generation, and exploitation of security...
