CVE-2025-40630

Open redirection vulnerability in IceWarp Mail Server

Description

Open redirection vulnerability in IceWarp Mail Server affecting version 11.4.0. This vulnerability allows an attacker to redirect a user to any domain by sending a malicious URL to the victim, for example “ https://icewarp.domain.com//<MALICIOUS_DOMAIN>/%2e%2e” https://icewarp.domain.com///%2e%2e” . This vulnerability has been tested in Firefox.

Remediation

Solution:

  • The vulnerabilities have been fixed by the IceWarp team in the 13.0.2 version.

Category

5.1
CVSS
Severity: Medium
CVSS 4.0 •
EPSS 0.06%
Affected: Icewarp Icewarp Mail Server
Published at:
Updated at:

References

Link Tags
https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-icewarp-mail-server

Frequently Asked Questions

What is the severity of CVE-2025-40630?
CVE-2025-40630 has been scored as a medium severity vulnerability.
How to fix CVE-2025-40630?
To fix CVE-2025-40630: The vulnerabilities have been fixed by the IceWarp team in the 13.0.2 version.
Is CVE-2025-40630 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-40630 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-40630?
CVE-2025-40630 affects Icewarp Icewarp Mail Server.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.