InfoSecBulletin Cybersecurity for mankind

A simple Python script to help organizations quickly detect exposure to CVE-2025-20393, a critical zero-day vulnerability in Cisco Secure Email Gateway (SEG) and Secure Malware Analytics (SMA). The “Cisco SMA Exposure Check” tool identifies open ports and services exploited in recent attacks, as noted in Cisco’s advisory. GitHub user StasonJatham …

Certain motherboards from ASUS, Gigabyte, MSI, and ASRock are susceptible to DMA attacks that can bypass early-boot memory protections. This security flaw has several identifiers (CVE-2025-11901, CVE-2025‑14302, CVE-2025-14303, and CVE-2025-14304)due to differences in vendor implementations. The vulnerability found by Nick Peterson and Mohamed Al-Sharifi of Riot Games in some UEFI …

Denmark has accused Russia of orchestrating two harmful cyber-attacks dubbed ‘destructive and disruptive’. The Danish Defence Intelligence Service revealed on Thursday that Moscow conducted a cyber-attack on a Danish water utility in 2024 and executed DDoS attacks on Danish websites prior to the municipal and regional council elections in November. …