CVE-2021-2064

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
89.8
In the wild
Unconfirmed
What it is

🔥 An unauthenticated network access vulnerability allows attackers to fully compromise Oracle WebLogic Server with the easiest of access methods! Think of it as a restaurant where a door is wide open without a bouncer in sight; anyone can walk in and take over the kitchen without a single check. It’s inviting trouble without even a password! If exploited, an attacker could gain complete control of the server—reading confidential data, modifying it, or even taking the server offline entirely. This vulnerability poses a catastrophic threat to your infrastructure, potentially leading to devastating data breaches and operational failures!

Put simply

Think of it as a restaurant where a door is wide open without a bouncer in sight; anyone can walk in and take over the kitchen without a single check. It’s inviting trouble without even a password! This vulnerability in Oracle WebLogic Server allows an attacker to bypass authentication entirely when accessing the server via IIOP or T3 protocols, leading to complete server takeover.

What to do

If exploited, an attacker could gain complete control of the server—reading confidential data, modifying it, or even taking the server offline entirely. This vulnerability poses a catastrophic threat to your infrastructure, potentially leading to devastating data breaches and operational failures! Immediately patch your Oracle WebLogic Server to version 12.2.1.4.0 or 14.1.1.0.0, and review network access controls. Ensure that only authorized users and systems can access the IIOP and T3 services. You've got this! Take these steps, and you’ll fortify your systems against this threat in no time! 🛡️

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
0.03728 · 89.8th 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