Vulnerability in the Oracle Hospitality OPERA 5 product of Oracle Hospitality Applications (component: Opera Servlet). Supported versions that are affected are 5.6.19.20, 5.6.25.8, 5.6.26.6 and 5.6.27.1. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Hospitality OPERA 5. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Hospitality OPERA 5 accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Hospitality OPERA 5. CVSS 3.1 Base Score 9.1 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H).
CVE ID: CVE-2025-21547
CVSS Base Severity: CRITICAL
CVSS Base Score: 9.1
Vendor: Oracle Corporation
Product: Oracle Hospitality OPERA 5
EPSS Score: 0.04% (probability of being exploited)
EPSS Percentile: 11.7% (scored less or equal to compared to others)
EPSS Date: 2025-02-19 (when was this score calculated)