CVE-2025-21547

criticalpriority · track · 0EPSS 0.006 · 48 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.59% (48th) EPSS

CVSS 9.1 · critical

Is it mine?

8 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

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).

cvss

Technical severity, 0–10. One row per scoring source.

9.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.3–9.1

v3.19.1criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Hsecondary · ENISA EU

v3.19.1criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Hsecondary · secalert_us@oracle.com USexploitability 3.9 · impact 5.2

v3.18.3highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-400US

affected products (8)

Products and version ranges known to be affected.

Oracle Corporation Oracle Hospitality OPERA 5≤ 5.6.27.1enisa_euvdEU
Oracle Corporation Oracle Hospitality OPERA 5≤ 5.6.25.8enisa_euvdEU
Oracle Corporation Oracle Hospitality OPERA 5≤ 5.6.19.20enisa_euvdEU
Oracle Corporation Oracle Hospitality OPERA 5≤ 5.6.26.6enisa_euvdEU
oracle hospitality opera 5= 5.6.19.20nvdUScpe:2.3:a:oracle:hospitality_opera_5:*:*:*:*:*:*:*:*
oracle hospitality opera 5= 5.6.25.8nvdUScpe:2.3:a:oracle:hospitality_opera_5:*:*:*:*:*:*:*:*
oracle hospitality opera 5= 5.6.26.6nvdUScpe:2.3:a:oracle:hospitality_opera_5:*:*:*:*:*:*:*:*
oracle hospitality opera 5= 5.6.27.1nvdUScpe:2.3:a:oracle:hospitality_opera_5:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2025-01-21modified 2026-06-17

references (4)

External citations — patches, advisories, analysis.

scry

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