CVE-2025-4295 json
Host Header Injection in HotelRunner's B2B
published 2025-07-22 15 mo ago modified 2026-07-29 3 mo ago also EUVD-2025-22318
- cvss
- 4.6
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.1%
- EPSS 0.1% chance of exploitation in 30 days, percentile 1%
- public exploits
- 0
- none known
Summary
Improper Validation of Certificate with Host Mismatch vulnerability in HotelRunner B2B allows HTTP Response Splitting.
This issue affects B2B: before 04.06.2025.
Patch / fix
- HotelRunner B2B 04.06.2025
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 15 mo ago
Exploit prediction
0.12% chance of exploitation in the next 30 days, higher than 1% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 4.6 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N |
Affected products
- HotelRunner B2B
Classification
- Weakness
-
- CWE-297 Improper Validation of Certificate with Host Mismatch
References
-
usom.gov.tr
/bildirim/tr-25-0169
government-resource, broken-link
-
siberguvenlik.gov.tr
/guvenlik-bildirimleri/detay/tr-25-0169
government-resource
Sources
- CVE List CVE-2025-4295
- NVD CVE-2025-4295
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.