CVE-2023-39423
CVE-2023-39423 is a high-severity vulnerability in Resortdata Internet Reservation Module Next Generation with a CVSS 3.x base score of 8.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-89.
Key facts
- Severity: High (CVSS 3.x base score 8.6)
- EPSS exploit prediction: 0% (39th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-89
- Affected product: Resortdata Internet Reservation Module Next Generation
- Published:
- Last modified:
Description
The RDPData.dll file exposes the /irmdata/api/common endpoint that handles session IDs, among other features. By using a UNION SQL operator, an attacker can leak the sessions table, obtain the currently valid sessions and impersonate a currently logged-in user.
Frequently asked questions
- What is CVE-2023-39423?
- The RDPData.dll file exposes the /irmdata/api/common endpoint that handles session IDs, among other features. By using a UNION SQL operator, an attacker can leak the sessions table, obtain the currently valid sessions and impersonate a currently logged-in user.
- How severe is CVE-2023-39423?
- CVE-2023-39423 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2023-39423 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-39423?
- CVE-2023-39423 affects Resortdata Internet Reservation Module Next Generation. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-39423?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2023-39423 published?
- CVE-2023-39423 was published on 2023-09-07 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:resortdata:internet_reservation_module_next_generation:5.3.2.15:*:*:*:*:*:*:*
More vulnerabilities in Resortdata Internet Reservation Module Next Generation
- CVE-2023-39424 — Critical (CVSS 9.9): A vulnerability in RDPngFileUpload.dll, as used in the IRM Next Generation booking system, allows a remote attacker…
- CVE-2023-39420 — Critical (CVSS 9.9): The RDPCore.dll component as used in the IRM Next Generation booking engine, allows a remote user to connect to…
- CVE-2023-39421 — High (CVSS 7.7): The RDPWin.dll component as used in the IRM Next Generation booking engine includes a set of hardcoded API keys for…
- CVE-2023-39422 — Medium (CVSS 6.5): The /irmdata/api/ endpoints exposed by the IRM Next Generation booking engine authenticates requests using HMAC…
All CVEs affecting Resortdata Internet Reservation Module Next Generation →
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