How severe is CVE-2023-21932?

High severity. CVSS v3 base score is 7.2 out of 10.

Is CVE-2023-21932 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Oracle Hospitality Opera 5 Property Services

CVE-2023-21932

Vulnerability in the Oracle Hospitality OPERA 5 Property Services product of Oracle Hospitality Applications (component: OXI). The supported version that is affected is 5.6. Difficult to exploit vulnerability allows high privileged attacker with network access via HTTP to compromise Oracle Hospitality OPERA 5 Property Services. While the vulnerability is in Oracle Hospitality OPERA 5 Property Services, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Hospitality OPERA 5 Property Services accessible data as well as unauthorized update, insert or delete access to some of Oracle Hospitality OPERA 5 Property Services accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Hospitality OPERA 5 Property Services. CVSS 3.1 Base Score 7.2 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:L/A:L).

Published 2023-04-18 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:L/A:L.

EPSS exploit prediction

EPSS: 0.450 (98.8th percentile), scored 2026-11-01.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 99th percentile — 98.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.447 · newest: 0.450 · change: +0.003

Affected products

Oracle Hospitality Opera 5 Property Services — versions 5.6
Oracle Corporation Hospitality Opera 5 Property Services — versions 5.6

Public proof-of-concept exploits

20142995/nuclei-templates

References

www.oracle.com/security-alerts/cpuapr2023.html (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2023-21932?: CVE-2023-21932 is a high-severity vulnerability in Oracle Hospitality Opera 5 Property Services. CVSS score: 7.2/10. Published 2023-04-18.
How severe is CVE-2023-21932?: High severity. CVSS v3 base score is 7.2 out of 10.
Is CVE-2023-21932 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.