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How the CVE Works
CVE-2025-30753 is a vulnerability in Oracle WebLogic Server’s Core component, affecting versions 12.2.1.4.0, 14.1.1.0.0, and 14.1.2.0.0. An attacker with low privileges and network access via HTTP can exploit this flaw to trigger a complete denial of service (DoS) by causing the server to hang or crash repeatedly. The vulnerability stems from improper handling of specific HTTP requests, leading to resource exhaustion. The CVSS 3.1 score is 6.5 (Medium), reflecting its impact on availability.
DailyCVE Form
Platform: Oracle WebLogic Server
Version: 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0
Vulnerability: DoS via HTTP
Severity: Medium
Date: 07/25/2025
Prediction: Patch expected by 08/15/2025
What Undercode Say
Check WebLogic version java weblogic.version Simulate DoS (PoC) curl -X POST http://<target>/vulnerable_endpoint --data "malicious_payload" Mitigation test grep "weblogic.security.SSL" config.xml
How Exploit
- Send crafted HTTP requests to vulnerable endpoints.
- Trigger thread exhaustion or memory corruption.
- Observe server crash/hang.
Protection from this CVE
- Apply Oracle’s upcoming patch.
- Restrict HTTP access.
- Monitor abnormal traffic.
Impact
- Unauthorized DoS.
- Service disruption.
- No data compromise.
Sources:
Reported By: nvd.nist.gov
Extra Source Hub:
Undercode

