HIGHCVSS v3.1 7.5Actively exploited · CISA KEV since 2023-05-01Vulnerability

CVE-2023-21839

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

Properties

Euvd product
WebLogic Server
Vulnerability name
Oracle WebLogic Server Unspecified Vulnerability
First seen
2025-10-21T23:15:28+00:00
Cvss score
7.5
Epss score
0.999
Last seen
2026-10-19T12:00:27+00:00
Due date
2023-05-22
Euvd assigner
oracle
Retrieved at
2026-10-21T01:24:47+00:00
Exploited euvd since
2023-05-01T00:00:00+00:00
Src batch id
epss_history-20261020T103617Z-728ddd
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2023-05-01
Score
7.5
Euvd base score version
3.1
Fetched at
2026-10-20T10:36:20+00:00
Euvd vendor
Oracle Corporation
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
In Signal since
initial import (Sep 2026)
Euvd base score
7.5

Related Entities (7)

AFFECTS_PRODUCT (3)

→[Product]cpe:2.3:a:oracle:weblogic_server:14.1.1.0.0:*:*:*:*:*:*:*
→[Product]cpe:2.3:a:oracle:weblogic_server:12.2.1.3.0:*:*:*:*:*:*:*
→[Product]cpe:2.3:a:oracle:weblogic_server:12.2.1.4.0:*:*:*:*:*:*:*

HAS_WEAKNESS (2)

→[Weakness]Deserialization of Untrusted Data
→[Weakness]Missing Authentication for Critical Function

DESCRIBES (1)

←[KEVEntry]Oracle WebLogic Server Unspecified Vulnerability

INVOLVES (1)

←[Signal]kev_added · 2023-05-01

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CVE-2023-21839 (CVSS v3.1 7.5) — Ninja Signal Threat Intelligence | Ninja Signal