Which products and versions are affected by CVE-2023-21931?

Affected: WebLogic Server (Oracle) versions 12.2.1.3.0, 12.2.1.4.0, 14.1.1.0.0, >= 12.2.1.3.0. The full list is in the CVE brief.

Is CVE-2023-21931 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2023-21931 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2023-21931?

Public exploit code is available.

Is there a fix for CVE-2023-21931?

No fixed version is listed yet; check the vendor advisory for mitigations.

How urgently should CVE-2023-21931 be patched?

Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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Vulnerability Intelligence

CVE-2023-21931

HighPublic exploit

Easily exploitable vulnerability allows unauthenticated attacker with network access via T3 to compromise Oracle WebLogic Server.

Published Apr 19, 2023 · Updated Feb 13, 2025 · Also known as TR-23-0233

Key Facts

Patch immediately

CVE-2023-21931 is a high-severity vulnerability (CVSS 7.5 v3.1) affecting WebLogic Server (Oracle).
It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
EPSS estimates a 82% probability of exploitation in the next 30 days.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v3.1

7.5

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS (30-day exploit likelihood)

82%

Higher than 99.6% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2023-21931 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 12.2.1.3.0, 12.2.1.4.0 and 14.1.1.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via T3 to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle WebLogic Server accessible data. CVSS 3.1 Base Score 7.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).

Affected Products

4 affected entries in total

Product	Affected versions	Fixed in
WebLogic ServerOracle	12.2.1.3.0, 12.2.1.4.0, 14.1.1.0.0, >= 12.2.1.3.0	n/a

Timeline

Publicly disclosed
Apr 19, 2023
Last updated
Feb 13, 2025

Weakness Type

CWE-306 Missing Authentication for Critical Function

References

3 more references in the full CVE brief

FAQ

Common Questions.

Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core).
Affected: WebLogic Server (Oracle) versions 12.2.1.3.0, 12.2.1.4.0, 14.1.1.0.0, >= 12.2.1.3.0. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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