Thehackernews Amazon Reports Exploitation of Cisco ISE and Citrix NetScaler Zero-Days
Article Content
Browse articles 
Amazon has identified an advanced threat actor exploiting zero-day vulnerabilities in Cisco Identity Service Engine (ISE) and Citrix NetScaler. The attackers utilized CVE-2025-20337 and CVE-2025-5777 to deploy custom malware, taking advantage of multiple undisclosed vulnerabilities as well. This incident highlights the ongoing risks associated with unpatched software in critical infrastructure.
Ask AI about this cluster
Answers cite the sources they use
Updated 228d ago How this analysis works
More articles in this cluster (4)
Following this threat?
Track Amazon and CVE-2025-20337 in your own feed — you're alerted when they show up in new reporting, leak sites or exploitation.
Free account · no card needed
Continue Reading
Critical Zero-Day Exploited in BeyondTrust Remote Support by China-linked Group A critical vulnerability in BeyondTrust Remote Support, tracked as CVE-2026-102764 with a CVSS score of 9.3, has been exploited by the China-linked espionage group Armory Castle since August 29, 2026. This flaw allows unauthenticated remote attackers to perform file operations, gaining root control and access to… 
Critical Citrix NetScaler Zero-Day Vulnerabilities Exploited Citrix disclosed two critical zero-day vulnerabilities, CVE-2026-88771 and CVE-2026-88772, affecting NetScaler ADC and Gateway systems, which are being actively exploited. Both vulnerabilities have a CVSS score of 9.5 and allow unauthenticated attackers to execute arbitrary commands remotely. CVE-2026-88771 arises…