CVE-2021-2047

Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core Components)

Critical · published January 20, 2021

CVSS v3.1
9.8
EPSS
4%
Percentile
90.0
In the wild
Unconfirmed
What it is

🚨 An unauthenticated network attacker can exploit this Oracle WebLogic Server vulnerability with minimal effort, effectively gaining control! 🔥 Think of it like a hotel with a malfunctioning security system — anyone can walk in without a key and access the rooms, including the penthouse suite. Without the right checks in place, the server becomes an open invitation for trouble! An attacker could waltz right in and take over the Oracle WebLogic Server, jeopardizing the confidentiality, integrity, and availability of sensitive data. This could lead to massive data breaches or unauthorized access, causing absolutely devastating consequences for your organization.

Put simply

Think of it like a hotel with a malfunctioning security system — anyone can walk in without a key and access the rooms, including the penthouse suite. Without the right checks in place, the server becomes an open invitation for trouble! This vulnerability allows unauthenticated attackers with network access via IIOP or T3 to exploit the Oracle WebLogic Server. It poses a significant risk as it can lead to a complete takeover of the server.

What to do

An attacker could waltz right in and take over the Oracle WebLogic Server, jeopardizing the confidentiality, integrity, and availability of sensitive data. This could lead to massive data breaches or unauthorized access, causing absolutely devastating consequences for your organization. Immediately patch your Oracle WebLogic Server to versions that are not affected, such as 10.3.6.0.0, 12.1.3.0.0, or 12.2.1.3.0. Consider implementing network segmentation to limit access and review your firewall settings to block unnecessary ports. Security hero status: activated! You’ve got this! Follow these steps to secure your server and protect your precious data! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.03804 · 90.0th percentile
Published
2021-01-20T14:50Z
EPSS history
Timeline
  • 20 JAN 14:50Z
    Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core Components)
    cvelistv5