{"cve":"CVE-2023-39423","nvd":{"published":"2023-09-07T13:15:08.837","modified":"2026-06-17T06:12:18.423","status":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","score":9.1},"cwes":["CWE-89"],"references":["https://bitdefender.com/blog/labs/check-out-with-extra-charges-vulnerabilities-in-hotel-booking-engine-explained","https://bitdefender.com/blog/labs/check-out-with-extra-charges-vulnerabilities-in-hotel-booking-engine-explained"],"products":["resortdata:internet_reservation_module_next_generation"],"source":"nvd","synced_at":"2026-10-19T21:39:24.235896374+00:00"},"epss":{"cve":"CVE-2023-39423","score":0.0056,"percentile":0.4661,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}