Oracle Corporation Oracle Net Services
At a glance
- Source
- NVD
- EPSS
- EPSS 0.49 % · percentile 42 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- oracle
- NVD status
- Analyzed
Description
Vulnerability in the Oracle Net Services component of Oracle Database Server. Supported versions that are affected are 19.3-19.31, 21.3-21.22 and 23.4.0-23.26.2. Easily exploitable vulnerability allows unauthenticated attacker with network access via Oracle Net to compromise Oracle Net Services. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Net Services accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Net Services. 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).
Weaknesses (CWE)
- CWE-306 — Missing Authentication for Critical Functionality
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | CRITICAL 9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H | oracle |
| CVSS 3.1 | CRITICAL 9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H | NVD · secalert_us@oracle.com (Secondary) |
European references
- ENISA EUVD · EUVD-2026-46527
- GCVE · GCVE-0-2026-47040
CERT-FR advisories
- CERTFR-2026-AVI-0914 — Multiples vulnérabilités dans Oracle Database Server · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:oracle:database_server:*:*:*:*:*:*:*:*≥ 19.3 ≤ 19.31cpe:2.3:a:oracle:database_server:*:*:*:*:*:*:*:*≥ 21.3 ≤ 21.22cpe:2.3:a:oracle:database_server:*:*:*:*:*:*:*:*≥ 23.4 ≤ 23.26.2
Affected products
| Product | Versions |
|---|---|
| Oracle Corporation · Oracle Net Services | affected 19.3 ≤ 19.31 ; affected 21.3 ≤ 21.22 ; affected 23.4.0 ≤ 23.26.2 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |