CVE-2025-4295
Host Header Injection in HotelRunner's B2B
- State
- Published
- Severity
- 4.6 Medium
- Published
- Jul 22, 2025
- Updated
- Jul 29, 2026
- Reserved
- May 5, 2025
Description
Improper Validation of Certificate with Host Mismatch vulnerability in HotelRunner B2B allows HTTP Response Splitting.
This issue affects B2B: before 04.06.2025.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 4.6 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N | TR-CERT |
Weaknesses
- CWE-297 Improper Validation of Certificate with Host Mismatch
Affected Products
| Product | Versions |
|---|---|
B2BHotelRunner |
|
References
- https://www.usom.gov.tr/bildirim/tr-25-0169government-resourcebroken-link
- https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-25-0169government-resource
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