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.
Two now-patched security flaws impacting Cisco Smart Licensing Utility are seeing active exploitation attempts, according to SANS Internet Storm Center
Veeam has released security updates to address a critical security flaw impacting its Backup & Replication software that could lead to remote code execution
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added a high-severity security flaw impacting NAKIVO Backup & Replication software to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation
Threat actors are exploiting a severe security flaw in PHP to deliver cryptocurrency miners and remote access trojans (RATs) like Quasar RAT
Cybersecurity researchers have disclosed details of two critical flaws impacting mySCADA myPRO, a Supervisory Control and Data Acquisition (SCADA) system used in operational technology (OT) environments, that could allow malicious actors to take control of susceptible systems
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Tuesday added a vulnerability linked to the supply chain compromise of the GitHub Action, tj-actions/changed-files, to its Known Exploited Vulnerabilities (KEV) catalog
An unpatched security flaw impacting Microsoft Windows has been exploited by 11 state-sponsored groups from China, Iran, North Korea, and Russia as part of data theft, espionage, and financially motivated campaigns that date back to 2017
A recently disclosed security flaw impacting Apache Tomcat has come under active exploitation in the wild following the release of a public proof-of-concept (PoC) a mere 30 hours after public disclosure
An unpatched security flaw impacting the Edimax IC-7100 network camera is being exploited by threat actors to deliver Mirat botnet malware variants since at least May 2024