Cyber Resilience

CVE-2023-39424

Critical

Published: 07 September 2023

Published
07 September 2023
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 9.9 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS Score 0.0051 66.9th percentile
Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-39424 is a critical-severity Injection (CWE-74) vulnerability in Resortdata Internet Reservation Module Next Generation. Its CVSS base score is 9.9 (Critical).

Operationally, ranked in the top 33.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

A vulnerability in RDPngFileUpload.dll, as used in the IRM Next Generation booking system, allows a remote attacker to upload arbitrary content (such as a web shell component) to the SQL database and execute it with SYSTEM privileges. This vulnerability requires…

more

authentication to be exploited but can be paired with another vulnerability in the platform (CVE-2023-39420, which grants access to hardcoded credentials) to carry the attack without having assigned credentials.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

resortdata
internet reservation module next generation
5.3.2.15

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-434

Requiring identifiable owners for portable devices reduces the attack surface for unrestricted uploads of dangerous file types via anonymous media.

addresses: CWE-74

Developer assessments and testing (including injection-focused techniques) identify improper neutralization of special elements, and the verifiable flaw remediation corrects them pre-deployment.

addresses: CWE-434

Dangerous file uploads can be detonated in the chamber to determine malice before any production write or execution occurs.

addresses: CWE-434

Prevents unrestricted writing of arbitrary or malicious firmware by keeping hardware write-protect enabled except under tightly controlled manual procedures.

addresses: CWE-434

Scans files from external sources on download/open/execute, blocking unrestricted uploads of dangerous file types.

addresses: CWE-74

Identifies indicators of injection attacks (command, SQL, LDAP, etc.) via anomaly and attack monitoring.

References