Vulnerability in Hotelrunner B2b

CVE-2025-4295

Improper Validation of Certificate with Host Mismatch vulnerability in HotelRunner B2B allows HTTP Response Splitting. This issue affects B2B: before 04.06.2025.

EPSS: 0.001 (1.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-4295?
CVE-2025-4295 is a medium-severity vulnerability in Hotelrunner B2b, classified under Improper Validation of Certificate with Host Mismatch. CVSS score: 4.6/10. Published 2025-07-22.
How severe is CVE-2025-4295?
Medium severity. CVSS v3 base score is 4.6 out of 10.