Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core). The supported version that is affected is 14.1.1.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP/2 to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle WebLogic Server. CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).
Conclusion & alert: CVE-2025-21549 is rated Moderate Risk (44.8/100): CVSS High severity, with low exploitation likelihood (EPSS 0.20%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-11-21 | 0.28% | 0.20% | -0.08% |
| 2 | 2025-11-18 | 0.16% | 0.28% | +0.12% |
| 3 | 2025-10-17 | — | 0.16% | — |
Full EPSS history (7 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| oracle | weblogic_server | 14.1.1.0.0 | cpe:2.3:a:oracle:weblogic_server:14.1.1.0.0:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://www.oracle.com/security-alerts/cpujan2025.html | Vendor Advisory |