CVE-2023-21839

CISA KEV
ACT NOW Priority: 0.00 BB Relevance: 10/100
Published: N/A Modified: N/A First seen: 2026-10-29 Status: pending_score

Description

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

CISA Known Exploited Vulnerability

Vendor / Product Oracle — WebLogic Server
Date Added 2023-05-01
Remediation Due 2023-05-22
https://www.oracle.com/security-alerts/cpujan2023.html; https://nvd.nist.gov/vuln/detail/CVE-2023-21839

Bug Bounty Relevance

10 / 100
✓ Known exploited (KEV)
✓ High exploitation probability

CVSS Score

Unscored

EPSS — Exploitation Probability

99.90%
Raw Score 0.999000
Percentile 100.0%
Date 2026-10-28

Intelligence Sources

kev ref →