CVE-2023-21839: Oracle WebLogic Server Unspecified Vulnerability

CISA Known Exploited Vulnerability (KEV)

Description

Oracle WebLogic Server contains an unspecified vulnerability that allows an unauthenticated attacker with network access via T3, IIOP, to compromise Oracle WebLogic Server.

Required action (CISA)

Apply updates per vendor instructions.

Notes

https://www.oracle.com/security-alerts/cpujan2023.html; https://nvd.nist.gov/vuln/detail/CVE-2023-21839

Weakness behind it

CISA has not recorded a CWE for this entry, so the CVE → CWE → CAPEC → ATT&CK chain cannot be walked from here. That is a gap in the catalogue, not evidence the vulnerability has no weakness class — check the NVD record below.

References

• NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-21839
• KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog