TI-2023-20560 Aliases CVE-2023-39421 GHSA-55q7-p8m7-cchj

Use of Hard-coded Credentials in RDPWin.dll

LOW 34CWE-798Published 2023-09-07 · Updated 2024-09-26

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Security bypass
Confidentiality · integrity · availability: High · None · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-798.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00474 41st percentileScored 2026-11-08

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Resort Data Processing, Inc.	IRM Next Generation	5.4.1.23	—	No fix listed	CNA

IRM Next Generation VendorResort Data Processing, Inc. Affected 5.4.1.23 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:resortdata:internet_reservation_module_next_generation:5.4.1.23:::::::*	5.4.1.23	Vulnerable	Resort Data Processing, Inc.

cpe:2.3:a:resortdata:internet_reservation_module_next_generation:5.4.1.23:*:*:*:*:*:*:* Versions 5.4.1.23 Vulnerable ·Resort Data Processing, Inc.

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2023-39421
2026-10-03 Alias added: GHSA-55q7-p8m7-cchj

References

Advisory 1

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

TI-2023-20561 Use of Hard-coded Credentials in multiple /irmdata/api/ endpoints CVSS 3.1CRITICAL 9.8
TI-2023-20562 Improper Neutralization of Special Elements used in an SQL Command in RDPData.dll CVSS 3.1CRITICAL 9.1
TI-2023-20563 Injection in Resort Data Processing, Inc. IRM Next Generation CVSS 3.1CRITICAL 9.9
TI-2023-20559 Use of Hard-coded Credentials in RDPCore.dll CVSS 3.1CRITICAL 9.9

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences