UNC5221

Pierluigi Paganini May 26, 2025
China-linked APT UNC5221 started exploiting Ivanti EPMM flaws shortly after their disclosure

China-linked APT exploit Ivanti EPMM flaws to target critical sectors across Europe, North America, and Asia-Pacific, according to EclecticIQ. Researchers from EclecticIQ observed a China-linked APT group that chained two Ivanti EPMM flaws, tracked as CVE-2025-4427 and CVE-2025-4428, in attacks against organizations in Europe, North America, and Asia-Pacific. Below is the description of the flaws: […]

Pierluigi Paganini April 03, 2025
China-linked group UNC5221 exploited Ivanti Connect Secure zero-day since mid-March

Ivanti addressed a critical remote code execution flaw in Connect Secure, which has been exploited since at least mid-March 2025. Ivanti released security updates to address a critical Connect Secure remote code execution vulnerability tracked as CVE-2025-22457. The vulnerability has been exploited by a China-linked threat actor since at least mid-March 2025. Ivanti did not disclose […]