How severe is CVE-2018-3191?

CVE-2018-3191 has a CVSS score of 9.8/10, rated CRITICAL. Immediate patching is strongly recommended.

Which packages are affected by CVE-2018-3191?

Affected package information for CVE-2018-3191 is not yet fully mapped. Check the official advisory links for details.

How do I fix CVE-2018-3191?

No fixed version has been published for CVE-2018-3191 yet. Monitor the advisory for updates, apply mitigations recommended by the vendor, and use O3 Security to track when a fix becomes available in your stack.

Is CVE-2018-3191 actively exploited in the wild?

Yes. There are 9 known exploit references for CVE-2018-3191, including 5 in-the-wild exploitations observed on GitHub and other sources. Treat this as actively exploitable and prioritize patching immediately. All exploit code should only be run in an isolated sandbox environment for research or authorized testing — never against production systems without explicit written authorization.

What is the EPSS score for CVE-2018-3191?

CVE-2018-3191 has an EPSS (Exploit Prediction Scoring System) score of 92.0%, placing it in the 100th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. A score above 50% indicates significantly elevated exploitation risk — immediate patching is strongly recommended.

Which products and versions are affected by CVE-2018-3191?

CVE-2018-3191 affects oracle weblogic server (3 versions, e.g. 10.3.6.0.0, 12.1.3.0.0, 12.2.1.3.0). Check the affected-products list on this page against your deployed version to confirm exposure.

When was CVE-2018-3191 published, and has it been updated?

CVE-2018-3191 was published on October 17, 2018 and was last updated on November 21, 2024. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

CVE-2018-3191

CRITICAL

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…

Published

Oct 17, 2018

Updated

Nov 21, 2024

Affected

0 pkgs

Patched

None yet

Exploits

9 known

EPSS Exploitation Probability

via FIRST.org ↗

92.0%probability of exploitation in next 30 days

Very High Risk100th percentile+1.36%

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

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).

Affected Products

1 product · 3 configurations

Application

weblogic serveroracle

3 versions

10.3.6.0.012.1.3.0.012.2.1.3.0

Exploits & PoCs

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.