CVE-2020-3952KEV · OVERDUE

VMware vCenter Server Information Disclosure Vulnerability

Critical · published April 10, 2020

Patch now

Confirmed exploited, and the score agrees

CVSS calls it critical at 9.8. It is confirmed in active exploitation. It sits in the 99.8th percentile for exploit probability.

1634
days past CISA
deadline
CVSS v3.1
9.8
EPSS
90%
Percentile
99.8
In the wild
Confirmed
What it is

🚨 A misconfigured access control in VMware's vCenter Server is leaving the door wide open, and attackers are ready to walk right in! 🔥 Think of it like a hotel where the front desk has forgotten to lock the doors at night. Anyone can just stroll in and access guest rooms, which can lead to some absolute chaos! 🏨 If exploited, an attacker could gain unauthorized access to sensitive information and potentially take full control of the vCenter server environment. This could lead to data breaches, system manipulations, or even complete shutdowns of critical operations. Absolutely devastating!

Put simply

Think of it like a hotel where the front desk has forgotten to lock the doors at night. Anyone can just stroll in and access guest rooms, which can lead to some absolute chaos! 🏨 CVE-2020-3952 involves a flaw in the access control mechanisms of vmdir within VMware's vCenter Server and Platform Services Controller, allowing unauthorized users to perform actions they shouldn't be able to. This weakness essentially means that the system is trusting the wrong people!

What to do

If exploited, an attacker could gain unauthorized access to sensitive information and potentially take full control of the vCenter server environment. This could lead to data breaches, system manipulations, or even complete shutdowns of critical operations. Absolutely devastating! To protect your systems, patch to version 7.0.1 or above immediately. Additionally, review your access control settings to ensure they align with best practices, and consider implementing stricter user verification processes. 🛡️ You've got this! Just follow these steps, and you'll have those doors locked down tighter than ever! 💪✨

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
0.90384 · 99.8th percentile
Published
2020-04-10T13:55Z
KEV added
2021-11-03 · due 2022-05-03
EPSS history
Timeline
  • 03 NOV 00:00Z
    Added to CISA KEV — remediate by May 3
    kev
  • 10 APR 13:55Z
    Under certain conditions, vmdir that ships with VMware vCenter Server, as part of an embedded or external Platform Services Controller (PSC), does not…
    cvelistv5