CVE-2025-4295

Host Header Injection in HotelRunner's B2B

Published Jul 22, 2025 CVSS 3.1 · 4.6 Medium EPSS < 1% KEV · Not listed
Description
Improper Validation of Certificate with Host Mismatch vulnerability in HotelRunner B2B allows HTTP Response Splitting.

This issue affects B2B: before 04.06.2025.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-22318 Improper Validation of Certificate with Host Mismatch vulnerability in HotelRunner B2B allows HTTP Response Splitting.This issue affects B2B: before 04.06.2025.
History
Type Values Removed Values Added
Description Improper Validation of Certificate with Host Mismatch vulnerability in HotelRunner B2B allows HTTP Response Splitting.This issue affects B2B: before 04.06.2025. Improper Validation of Certificate with Host Mismatch vulnerability in HotelRunner B2B allows HTTP Response Splitting. This issue affects B2B: before 04.06.2025.
References
Type Values Removed Values Added
Description Improper Validation of Certificate with Host Mismatch vulnerability in HotelRunner B2B allows HTTP Response Splitting.This issue affects B2B: before 04.06.2025.
Title Host Header Injection in HotelRunner's B2B
Weaknesses CWE-297
References
Metrics cvssV3_1

{'score': 4.6, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Subscriptions

No data.

Weaknesses

Sources

Status
PUBLISHED
Assigner
TR-CERT
Published
Updated
Jul 29, 2026, 2:52 PM
Reserved
May 5, 2025, 12:15 PM
Status
Deferred
Published
Jul 22, 2025, 2:15 PM
Modified
Jun 17, 2026, 9:32 AM