CVE-2023-21839: Oracle WebLogic Server Unspecified Vulnerability
Oracle WebLogic Server contains an unspecified vulnerability that allows an unauthenticated attacker with network access via T3, IIOP, to compromise Oracle WebLogic Server.
| Vendor | Oracle |
|---|---|
| Product | WebLogic Server |
| Date added to KEV | 2023-05-01 |
| Due date (BOD 22-01) | 2023-05-22 |
| Known ransomware campaign use | Unknown |
| CWE | Not listed in feed |
| Required action | Apply updates per vendor instructions. |
What to do
- Identify every instance of Oracle WebLogic Server in your environment (asset inventory, EDR, vulnerability scanner).
- Apply CISA's required action: Apply updates per vendor instructions.
- Federal civilian agencies must act by 2023-05-22 under BOD 22-01; other organizations can use the same date as a target.
- Check the vendor advisory and NVD entry linked below for affected versions, then record the fix in your change log.
Get new KEV entries in your inbox: free n8n workflow. Free CISA KEV Patch Digest (n8n workflow) (Runbook Foundry). A Monday-morning email of KEV entries added in the previous week (Mon-Sun), with your watchlist vendors listed first.
Not affiliated with n8n GmbH or CISA. Not tested on n8n Cloud. n8n is a trademark of n8n GmbH.
Sources
- NVD entry for CVE-2023-21839 (severity scores, if any, live there)
- CISA KEV catalog entry
- https://www.oracle.com/security-alerts/cpujan2023.html
- https://nvd.nist.gov/vuln/detail/CVE-2023-21839