Improper Validation of Certificate Vulnerability in HotelRunner B2B Software
CVE-2025-4295

4.6MEDIUM

Key Information:

Vendor

Hotelrunner

Status
B2b
Vendor
CVE Published:
22 July 2025

What is CVE-2025-4295?

The HotelRunner B2B software is affected by an improper validation of certificate with a host mismatch vulnerability. This weakness can allow an attacker to exploit HTTP response splitting, posing a significant risk to data integrity and privacy. It is crucial for users to assess their implementations and apply appropriate security measures by the specified date to prevent potential exploitation.

Affected Version(s)

B2B 0 < 04.06.2025

References

https://www.usom.gov.tr/bildirim/tr-25-0169
third-party-advisory

CVSS V3.1

Score:
4.6
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Berat ARSLAN
Priente Software Inc.
.
CVE-2025-4295 : Improper Validation of Certificate Vulnerability in HotelRunner B2B Software