What is CVE-2023-39422?

CVE-2023-39422 is a medium-severity vulnerability in Resortdata Internet Reservation Module Next Generation, classified under Use of Hard-coded Credentials. CVSS score: 6.5/10. Published 2023-09-07.

How severe is CVE-2023-39422?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Resortdata Internet Reservation Module Next Generation

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.

Published 2023-09-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.004 (33.8th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 33.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.001

Affected products

Weakness classification (CWE)

CWE-798 — Use of Hard-coded Credentials

References

bitdefender.com/blog/labs/check-out-with-extra-charges-vulnerabilities-in-hotel… (Third Party Advisory)

Frequently asked questions

What is CVE-2023-39422?: CVE-2023-39422 is a medium-severity vulnerability in Resortdata Internet Reservation Module Next Generation, classified under Use of Hard-coded Credentials. CVSS score: 6.5/10. Published 2023-09-07.
How severe is CVE-2023-39422?: Medium severity. CVSS v3 base score is 6.5 out of 10.