CVE-2020-2546

Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Application Container - JavaEE)

Critical · published January 15, 2020

CVSS v3.0
9.8
EPSS
5%
Percentile
92.4
In the wild
Unconfirmed
What it is

🚨 A single unauthenticated T3 connection is all it takes for an attacker to seize control of your Oracle WebLogic Server! 🔥 Think of it like a restaurant with a back door that anyone can walk through — no reservation needed! If an attacker finds this entrance, they can take over the kitchen and serve whatever they want, potentially ruining the dinner for everyone inside. An attacker could leverage this vulnerability to completely compromise the Oracle WebLogic Server, gaining access to sensitive data and disrupting services. The consequences are absolutely devastating, impacting confidentiality, integrity, and availability of the system. Your server wouldn't just be compromised; it would be a playground for malicious intents!

Put simply

Think of it like a restaurant with a back door that anyone can walk through — no reservation needed! If an attacker finds this entrance, they can take over the kitchen and serve whatever they want, potentially ruining the dinner for everyone inside. This vulnerability allows unauthenticated attackers with network access via T3 to exploit Oracle WebLogic Server, specifically affecting versions 10.3.6.0.0 and 12.1.3.0.0. It poses a critical risk as it enables full server takeover with minimal effort.

What to do

An attacker could leverage this vulnerability to completely compromise the Oracle WebLogic Server, gaining access to sensitive data and disrupting services. The consequences are absolutely devastating, impacting confidentiality, integrity, and availability of the system. Your server wouldn't just be compromised; it would be a playground for malicious intents! Immediate action is required: upgrade your Oracle WebLogic Server to the latest available version to patch this vulnerability. Ensure that access controls are tightened, and consider implementing a firewall to block unauthorized T3 access. Regularly audit your server configurations to prevent future exposures. You've got this! With a little effort, you can secure your server and restore peace of mind! 🛡️

The record
Technical detail
CVSS v3.0
9.8 · CRITICAL
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.05135 · 92.4th percentile
Published
2020-01-15T16:34Z
EPSS history
Timeline
  • 15 JAN 16:34Z
    Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Application Container - JavaEE)
    cvelistv5