WebLogic Remote Code Execution Vulnerability(CVE-2018-3191)Threat Alert

WebLogic Remote Code Execution Vulnerability(CVE-2018-3191)Threat Alert

outubro 23, 2018 | Adeline Zhang


On October 17, Beijing time, Oracle officially released a Critical Patch Update (CPU), which contains a fix for the critical WebLogic remote code execution vulnerability (CVE-2018-3191). This vulnerability allows unauthenticated attackers with network access via T3 to compromise vulnerable Oracle WebLogic Server. Successful exploitation of it can result in takeover of Oracle WebLogic Server, hence remote code execution.

CVSS 3.0 base score: 9.8

CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

More information about this vulnerability and NSFOCUS’s technical analysis and protection solution will be available soon.

For details about the Oracle CPU, please visit the following link:


Affected Versions

  • WebLogic
  • WebLogic
  • WebLogic

All the preceding versions come with official support.


Oracle has fixed this vulnerability in the October CPU. Affected users are strongly advised to upgrade their products as soon as possible to effectively address this issue.

Note: Official patches of Oracle can be downloaded only by those with a licensed account of the software. Such users can use that account to log in to https://support.oracle.com to obtain the latest patch.

Later, NSFOCUS will release the related technical analysis and protection solution on its official website (https://nsfocusglobal.com/) to help users detect and protect against this vulnerability.


This advisory is only used to describe a potential risk. NSFOCUS does not provide any commitment or promise on this advisory. NSFOCUS and the author will not bear any liability for any direct and/or indirect consequences and losses caused by transmitting and/or using this advisory. NSFOCUS reserves all the rights to modify and interpret this advisory. Please include this statement paragraph when reproducing or transferring this advisory. Do not modify this advisory, add/delete any information to/from it, or use this advisory for commercial purposes without permission from NSFOCUS.


NSFOCUS IB is a wholly owned subsidiary of NSFOCUS, an enterprise application and network security provider, with operations in the Americas, Europe, the Middle East, Southeast Asia and Japan. NSFOCUS IB has a proven track record of combatting the increasingly complex cyber threat landscape through the construction and implementation of multi-layered defense systems. The company’s Intelligent Hybrid Security strategy utilizes both cloud and on-premises security platforms, built on a foundation of real-time global threat intelligence, to provide unified, multi-layer protection from advanced cyber threats.

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