How severe is CVE-2023-39422?

CVE-2023-39422 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-39422 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-39422?

CVE-2023-39422 affects Resortdata Internet Reservation Module Next Generation. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-39422?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-39422 published?

CVE-2023-39422 was published on 2023-09-07 and last updated on 2026-06-17.

CVE-2023-39422

CVE-2023-39422 is a medium-severity vulnerability in Resortdata Internet Reservation Module Next Generation with a CVSS 3.x base score of 6.5. 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-798.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-798
Affected product: Resortdata Internet Reservation Module Next Generation
Published: 2023-09-07
Last modified: 2026-06-17

Description

The /irmdata/api/ endpoints exposed by the IRM Next Generation booking engine authenticates requests using HMAC tokens. These tokens are however exposed in a JavaScript file loaded on the client side, thus rendering this extra safety mechanism useless.

Frequently asked questions

What is CVE-2023-39422?: The /irmdata/api/ endpoints exposed by the IRM Next Generation booking engine authenticates requests using HMAC tokens. These tokens are however exposed in a JavaScript file loaded on the client side, thus rendering this extra safety mechanism useless.
How severe is CVE-2023-39422?: CVE-2023-39422 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-39422 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-39422?: CVE-2023-39422 affects Resortdata Internet Reservation Module Next Generation. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-39422?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-39422 published?: CVE-2023-39422 was published on 2023-09-07 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:a:resortdata:internet_reservation_module_next_generation:-:*:*:*:*:*:*:*

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-2023-39423 — High (CVSS 8.6): The RDPData.dll file exposes the /irmdata/api/common endpoint that handles session IDs, among other features. By…
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…

All CVEs affecting Resortdata Internet Reservation Module Next Generation →

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