Ransomwarehigh
Ransomware Deployed in Compromised SharePoint Servers
Vulnerabilities mentioned
All| CVE | Vulnerability | CVSS | EPSS | Signals | Published |
|---|---|---|---|---|---|
| CVE-2025-53770 | Unauthenticated Deserialization RCE in Microsoft SharePoint Server on-premises | 9.8 | 100% | KEVRansomwarePoC ×3 | KEV |
| CVE-2025-53771 | Improper Authentication in Microsoft SharePoint Server Enables Network Spoofing | 6.5 | 100% |
From the original article
2 min read at infosecurity-magazine.com
A Chinese-based threat actor has been observed using the flaws in Microsoft SharePoint to deploy ransomware on compromised systems. In an incident update on July 23, Microsoft revealed that a group tracked as Storm-2603 is distributing Warlock ransomware on exploited SharePoint on-prem servers.
By James Coker · infosecurity-magazine.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.