CVE-2021-35617

Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Coherence Container)

Critical · published October 20, 2021

CVSS v3.1
9.8
EPSS
2%
Percentile
81.3
In the wild
Unconfirmed
What it is

🚨 An unauthenticated attacker with network access can easily compromise Oracle WebLogic Server through a single IIOP connection—like a crafty thief sneaking into a party without an invitation! 🔥 Think of this vulnerability as a delivery driver who doesn’t check for IDs, allowing anyone to take any package—if the package is sensitive data, that’s a big problem! An attacker could completely take over the Oracle WebLogic Server, leading to catastrophic breaches of confidentiality, integrity, and availability. Imagine losing control of your most valuable data and resources, or worse, having an intruder wreaking havoc on your entire system. This is absolutely devastating!

Put simply

Think of this vulnerability as a delivery driver who doesn’t check for IDs, allowing anyone to take any package—if the package is sensitive data, that’s a big problem! This vulnerability exists in the Coherence Container of Oracle WebLogic Server, allowing unauthenticated network access via IIOP that can lead to complete server takeover without requiring any authentication. This means attackers can potentially execute malicious actions as if they were legitimate users.

What to do

An attacker could completely take over the Oracle WebLogic Server, leading to catastrophic breaches of confidentiality, integrity, and availability. Imagine losing control of your most valuable data and resources, or worse, having an intruder wreaking havoc on your entire system. This is absolutely devastating! Patch your Oracle WebLogic Server immediately to the latest version, specifically beyond 12.2.1.4.0 and 14.1.1.0.0. Implement network segmentation and restrict access to IIOP services to only trusted sources. Regularly audit your configurations and access controls to bolster security against such attacks. You've got this! Take these steps to ensure your server is defended and secure—let’s lock things down tight! 🛡️

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
0.02074 · 81.3th percentile
Published
2021-10-20T10:50Z
EPSS history
Timeline
  • 20 OCT 10:50Z
    Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Coherence Container)
    cvelistv5