CVE-2023-39421

7.7 highEPSS 0.5%

High (7.7) in resortdata internet reservation module next generation. EPSS 0.5% chance of exploitation in the next 30 days.

The RDPWin.dll component as used in the IRM Next Generation booking engine includes a set of hardcoded API keys for third-party services such as Twilio and Vonage. These keys allow unrestricted interaction with these services.

Severity

CVSS 3.1

7.7 high

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 40% of CVEs (scores of 2026-11-01)
CWE: CWE-798
Published: 2023-09-07
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

resortdata:internet_reservation_module_next_generation

References

https://bitdefender.com/blog/labs/check-out-with-extra-charges-vulnerabilities-in-hotel-booking-engine-explained
https://bitdefender.com/blog/labs/check-out-with-extra-charges-vulnerabilities-in-hotel-booking-engine-explained

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