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Posted on • Originally published at beyondmachines.net

Critical Unauthenticated RCE Vulnerability in IceWarp Leaves 1,200 Servers Exposed

Summary

IceWarp patched a critical unauthenticated remote code execution vulnerability (CVE-2025-14500) that allows attackers to run commands with system privileges via a malicious HTTP header. Over 1,200 servers remain exposed, posing a significant risk to corporate communication data and internal network security.

Take Action:

If you are using IceWarp, this is important. Unauthenticated attackers can take full control of your entire mail server without needing a password. Apply the latest IceWarp security updates to close this vulnerability. If possible, isolate the platform from the internet.


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This article was originally published on BeyondMachines

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