HotelRunner B2B up to 03.06.2025 redirect

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.4$0-$5k0.00

Summaryinfo

A vulnerability was found in HotelRunner B2B up to 03.06.2025. It has been rated as problematic. Affected is an unknown function. Performing a manipulation results in redirect. This vulnerability is known as CVE-2025-4296. Remote exploitation of the attack is possible. No exploit is available. This product is a managed service. This means that users cannot maintain vulnerability countermeasures themselves.

Detailsinfo

A vulnerability, which was classified as problematic, was found in HotelRunner B2B up to 03.06.2025. This affects an unknown function. The manipulation with an unknown input leads to a redirect vulnerability. CWE is classifying the issue as CWE-601. A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks. This is going to have an impact on integrity. The summary by CVE is:

URL Redirection to Untrusted Site ('Open Redirect') vulnerability in HotelRunner B2B allows Forceful Browsing. This issue affects B2B: before 04.06.2025.

The weakness was published by Berat Arslan. It is possible to read the advisory at usom.gov.tr. This vulnerability is uniquely identified as CVE-2025-4296 since 05/05/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1204.001 according to MITRE ATT&CK.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-22439). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

Managed Service

  • yes

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.5
VulDB Meta Temp Score: 4.4

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 4.7
CNA Vector (TR-CERT): 🔒

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Redirect
CWE: CWE-601
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Status: 🔍

0-Day Time: 🔒

Timelineinfo

05/05/2025 CVE reserved
07/23/2025 +79 days Advisory disclosed
07/23/2025 +0 days VulDB entry created
06/05/2026 +317 days VulDB entry last update

Sourcesinfo

Advisory: usom.gov.tr
Researcher: Berat Arslan
Status: Confirmed

CVE: CVE-2025-4296 (🔒)
GCVE (CVE): GCVE-0-2025-4296
GCVE (VulDB): GCVE-100-317415
EUVD: 🔒

Entryinfo

Created: 07/23/2025 15:30
Updated: 06/05/2026 18:38
Changes: 07/23/2025 15:30 (64), 07/23/2025 16:43 (1), 06/05/2026 18:38 (2)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you need the next level of professionalism?

Upgrade your account now!