CVE-2018-3191

Summary

An easily exploitable vulnerability in the WLS Core Components subcomponent of Oracle WebLogic Server affects supported versions 10.3.6.0, 12.1.3.0, and 12.2.1.3, allowing an unauthenticated attacker with network access via T3 to compromise and take over the server.

Shortened by a language model. Every number, version and name in it is checked against the description below, and it is only shown when it is clearly shorter.

Description

Vulnerability in the Oracle WebLogic Server component of Oracle Fusion Middleware (subcomponent: WLS Core Components). Supported versions that are affected are 10.3.6.0, 12.1.3.0 and 12.2.1.3. Easily exploitable vulnerability allows unauthenticated attacker with network access via T3 to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in takeover of Oracle WebLogic Server. CVSS 3.0 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

At a glance

Exploitability

Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.

Exploit odds

62.9% chance of exploitation in the next 30 days (EPSS). Higher than most.

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2017-12-15 00:00 UTC ReservedThe CVE id was reserved by its CNA
2. 2018-10-17 01:31 UTC PublishedDisclosed publicly on CVE.org and NVD
3. 2026-06-17 01:57 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 62.9% in the next 30 days (EPSS).
• Severity: 9.8 CRITICAL (CVSS).
• Fix: a patch or advisory is linked.
• It meets the bar for Drop everything: critical, and exploited or very likely to be.

Details

Published

2018-10-17 01:31 UTC

Last modified

2026-06-17 01:57 UTC

Exploit probability

62.9% · EPSS, next 30 days

Record status

Modified

Affected

• Oracle Weblogic Server 10.3.6.0.0
• Oracle Weblogic Server 12.1.3.0.0
• Oracle Weblogic Server 12.2.1.3.0

Attack profile CVSS 3.0 · 9.8

Attack vector

Network

Complexity

Low

Privileges needed

None

User interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2018-3191.md and follow it. Check whether this project is affected by CVE-2018-3191. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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