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TI-2025-27102 Aliases CVE-2025-40631GHSA-77wj-x762-6p2r

HTTP host header injection vulnerability in IceWarp Mail Server

Priority LOW 10CWE-644Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
None
User interaction
Active
Attack complexity
High
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
None · None · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

HTTP host header injection vulnerability in Icewarp Mail Server affecting version 11.4.0. By modifying the Host header and adding a payload, arbitrary JavaScript code can be executed on page load. The user must interact with a malicious link to be redirected.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00224 13th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
IceWarpIcewarp Mail Server11.4.0—No fix listedCNA
  • Icewarp Mail Server VendorIceWarp Affected 11.4.0 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:icewarp:mail_server:11.4.0:*:*:*:*:*:*:*11.4.0VulnerableIceWarp
  • cpe:2.3:a:icewarp:mail_server:11.4.0:*:*:*:*:*:*:* Versions 11.4.0 Vulnerable ·IceWarp

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-40631
  2. 2026-10-03 Alias added: GHSA-77wj-x762-6p2r

References

Advisory 1

  • TI-2023-20749 IceWarp Mail Server v10.4.5 was discovered to contain a local file inclusion (LFI)… CVSS 3.1CRITICAL 9.8
  • TI-2015-01363 Multiple directory traversal vulnerabilities in IceWarp Mail Server before 11.2 allow… CVSS 3.0HIGH 7.5
  • TI-2019-09404 IceWarp Mail Server through 10.4.4 is prone to a local file inclusion vulnerability via… CVSS 3.0HIGH 7.5
  • TI-2021-14809 Open Redirect vulnerability exists in IceWarp MailServer IceWarp Server Deep Castle 2… CVSS 3.1MEDIUM 6.1
  • TI-2020-11018 IceWarp Email Server 12.3.0.1 allows remote attackers to upload JavaScript files that are… CVSS 3.1HIGH 8.8
  • TI-2011-03155 server/webmail.php in IceWarp WebMail in IceWarp Mail Server before 10.3.3 allows remote… CVSS 2.0MEDIUM 6.4
See all 18 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences