VulnerabilityAnalyzed
CVE-2025-40631
HTTP host header injection vulnerability in Icewarp Mail Server affecting version 11.4.0.
LOW 2.0EPSS 0.21%
Does this matter?
Lower severity and a low EPSS score (0.21%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 4.0
- 2.0 LOWCVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 0.21% probability · 12th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-644
- Affected
- icewarp/mail server
- Source
- cve-coordination@incibe.es
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.