HTTP Host Header Injection in Icewarp Mail Server
CVE-2025-40631

2LOW

Key Information:

Vendor

Icewarp

Status
Icewarp Mail Server
Vendor
CVE Published:
16 May 2025

What is CVE-2025-40631?

The Icewarp Mail Server is susceptible to an HTTP host header injection vulnerability. By manipulating the Host header to include a malicious payload, attackers can execute arbitrary JavaScript code upon page load. This exploitation requires user interaction with a malicious link, potentially compromising the security of the user's session and sensitive information.

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Affected Version(s)

Icewarp Mail Server 11.4.0

References

https://www.incibe.es/en/incibe-cert/notices/aviso/multip...

CVSS V4

Score:
2
Severity:
LOW
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Adjacent Network
Attack Complexity:
High
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

B3xal
JSON
.