CVE-2025-40631: low-severity vulnerability in Icewarp Mail Server
HTTP host header injection vulnerability in IceWarp Mail Server
Published
8Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 2epss 0.2%
exploitation probability
0.2%top 89% of all CVEs
observed exploitation
nono source reports it
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/AV:A/AC:H/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
Affected products
Icewarp · Icewarp Mail ServerRelated CVEs — Icewarp Mail Server
In the same product, most dangerous first.