Coverage › CVE-2023-21839
CVE-2023-21839 Unmapped
Oracle WebLogic Server Unspecified Vulnerability
- Vendor / product
- Oracle — WebLogic Server
- Description (CISA)
- Oracle WebLogic Server contains an unspecified vulnerability that allows an unauthenticated attacker with network access via T3, IIOP, to compromise Oracle WebLogic Server.
- Added to KEV
- 2023-05-01
- Due date
- 2023-05-22
- Required action
- Apply updates per vendor instructions.
- Known ransomware use
- Unknown
- CWE
- none recorded by CISA
- CISA notes
- https://www.oracle.com/security-alerts/cpujan2023.html
https://nvd.nist.gov/vuln/detail/CVE-2023-21839 - Elsewhere
- cve.org · NVD · CISA KEV · JSON
ATT&CK techniques
No public source states how this vulnerability is exploited in ATT&CK terms.
The only authoritative CVE → ATT&CK mapping in the open — CTID's Mappings Explorer, pinned to a KEV snapshot of 2025-07-28 and ATT&CK 16.1 — does not include CVE-2023-21839. CISA's catalogue carries no technique field. kevmap does not infer techniques from the CWE — here is why — and does not guess.
This page will change state automatically if a mapping is published. What is shown above is everything CISA publishes about the entry.