Resource exhaustion in Oracle Weblogic Server
CVE-2023-21838
Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 12.2.1.3.0, 12.2.1.4.0 and 14.1.1.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via T3, IIOP 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).
Vulnerability class: DoS (Denial of Service)
EPSS: 0.009 (54.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Oracle Weblogic_server — versions 12.2.1.3.0, 12.2.1.4.0, 14.1.1.0.0
- Oracle Corporation Weblogic Server — versions 12.2.1.3.0, 12.2.1.4.0, 14.1.1.0.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert_us@oracle.com (vendor-advisory, Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-21838?
- CVE-2023-21838 is a high-severity vulnerability in Oracle Weblogic Server, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2023-01-18.
- How severe is CVE-2023-21838?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2023-21838 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.