Stay updated on the latest in information security flaws. Explore news, insights, and analysis on vulnerabilities affecting digital safety.
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Background for this topic.
A flaw is a defect in software, hardware, system design, or configuration that causes unintended behavior. In security reporting, the term usually means a weakness that could violate confidentiality, integrity, or availability when reached through a particular interface, input, privilege, or operating condition. Not every flaw is exploitable, and exploitability depends on factors such as exposure, authentication requirements, affected versions, and available mitigations.
Flaws matter because they can create attack paths in applications, operating systems, devices, APIs, or administrative settings. Security teams assess their severity and exposure, prioritize remediation, apply patches or configuration changes, and use isolation or access controls when immediate fixes are unavailable. Code review, testing, vulnerability scanning, and monitoring can reveal flaws across the development and operational lifecycle. Reports should distinguish a confirmed vulnerability from a theoretical defect and provide enough technical detail to support validation without unnecessarily enabling exploitation.
Cloudflare's Firewall and DDoS prevention can be bypassed through a specific attack process that leverages logic flaws in cross-tenant security controls. [...]
Proof-of-concept exploit code has surfaced on GitHub for a critical authentication bypass vulnerability in Microsoft SharePoint Server, allowing privilege escalation. [...]
Cisco is warning of five new Catalyst SD-WAN Manager products vulnerabilities with the most critical allowing unauthenticated remote access to the server. [...]
Hackers are actively exploiting a high-severity vulnerability in Openfire messaging servers to encrypt servers with ransomware and deploy cryptominers. [...]