CVE Watch—

CVE-2023-21839

Oracle WebLogic Server Unspecified Vulnerability

CVSS

—

No CVSS

EPSS

99.8%

p100

KEV

YES

May 1, 2023

Exploit Today

0-100

Published: — · Last modified: —

EPSS · 30d

99.8%EPSS · 30 days99.8%

2026-06-302026-07-16

KEV catalog record

Product

Oracle / WebLogic Server

Vulnerability

Oracle WebLogic Server Unspecified Vulnerability

Added to KEV

May 1, 2023

Remediate by

May 22, 2023

Known ransomware use

Summary 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

Apply updates per vendor instructions.

Notes

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

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