Amazon Uncovers Attacks Exploited Cisco ISE and Citrix NetScaler as Zero
Vulnerabilities mentioned
All| CVE | Vulnerability | CVSS | EPSS | Signals | Published |
|---|---|---|---|---|---|
| CVE-2025-20337 | Unauthenticated Injection Flaw Allows Root RCE in Cisco ISE and ISE-PIC | 10.0 | 74% | KEV | KEV |
| CVE-2025-5777 | Out-of-Bounds Read (Memory Overread) in Citrix NetScaler ADC and Gateway | 9.3 | 100% | KEVRansomware | KEV |
From the original article
2 min read at thehackernews.com
Ravie Lakshmanan Nov 12, 2025 Network Security / Zero-Day Amazon's threat intelligence team on Wednesday disclosed that it observed an advanced threat actor exploiting two then-zero-day security flaws in Cisco Identity Service Engine (ISE) and Citrix NetScaler ADC products as part of attacks designed to deliver custom malware.
By @TheHackersNews · thehackernews.com
A short excerpt; the article and its images belong to the publisher. Summary, key facts and assessment above are AI-written from the article and can be wrong.