Shadowserver

Entity category: organization

BigTech Companies

29,000 Unpatched Servers Still Vulnerable to Microsoft Exchange Flaw

Over 29,000 Microsoft Exchange servers remain vulnerable to CVE-2025-53786, a critical flaw allowing attackers to escalate access in hybrid cloud…

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BigTech Companies

29,000+ Unpatched Exchange Servers at Risk from Critical Flaw

Thousands of Microsoft Exchange servers remain vulnerable to CVE-2025-53786, a critical flaw allowing attackers to infiltrate cloud environments and escalate…

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Business

Patch Now: CISA Warns of Actively Exploited PaperCut RCE Bug

Federal agencies and private organizations are urged to patch a critical PaperCut vulnerability (CVE-2023-2533) that allows remote code execution, with…

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BigTech Companies

Warlock ransomware exploits SharePoint flaws, warns Microsoft

A Chinese hacking group (Storm-2603) is exploiting SharePoint vulnerabilities to deploy Warlock ransomware, targeting over 420 unpatched systems using zero-day…

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Cybersecurity

1,000+ CrushFTP servers vulnerable to active hijacking attacks

Over 1,000 CrushFTP servers remain vulnerable to a critical flaw (CVE-2025-54309), allowing attackers to hijack admin access and steal sensitive…

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Cybersecurity

1,200+ Citrix servers vulnerable to critical auth bypass flaw

Over 1,200 Citrix NetScaler systems remain vulnerable to CVE-2025-5777, a severe authentication bypass flaw enabling session hijacking and MFA bypass,…

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