Known Exploited Vulnerability
9.8
CRITICAL CVSS 3.1
CVE-2020-3952
VMware vCenter Server Information Disclosure Vulnerability - [Actively Exploited]
Description

Under certain conditions, vmdir that ships with VMware vCenter Server, as part of an embedded or external Platform Services Controller (PSC), does not correctly implement access controls.

INFO

Published Date :

April 10, 2020, 2:15 p.m.

Last Modified :

March 13, 2025, 5:28 p.m.

Remotely Exploit :

Yes !
CISA Notification
CISA KEV (Known Exploited Vulnerabilities)

For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.

Description :

VMware vCenter Server contains an information disclosure vulnerability in the VMware Directory Service (vmdir) when the Platform Services Controller (PSC) does not correctly implement access controls. Successful exploitation allows an attacker with network access to port 389 to extract sensitive information.

Required Action :

Apply updates per vendor instructions.

Notes :

https://nvd.nist.gov/vuln/detail/CVE-2020-3952

Affected Products

The following products are affected by CVE-2020-3952 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Vmware vcenter_server
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 MEDIUM [email protected]
CVSS 3.1 CRITICAL [email protected]
CVSS 3.1 CRITICAL 134c704f-9b21-4f2e-91b3-4a467353bcc0
Solution
This information is provided by the 3rd party feeds.
  • Upgrade to VMware vCenter Server 6.7 U3F or later.
Public PoC/Exploit Available at Github

CVE-2020-3952 has a 45 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2020-3952.

URL Resource
http://packetstormsecurity.com/files/157896/VMware-vCenter-Server-6.7-Authentication-Bypass.html Exploit Third Party Advisory VDB Entry
https://www.vmware.com/security/advisories/VMSA-2020-0006 Vendor Advisory Broken Link
http://packetstormsecurity.com/files/157896/VMware-vCenter-Server-6.7-Authentication-Bypass.html Exploit Third Party Advisory VDB Entry
https://www.vmware.com/security/advisories/VMSA-2020-0006 Vendor Advisory Broken Link
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-3952 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

This is my starred repositories including the description for each tool. Makes search/filter over them easier.

Updated: 1 month, 1 week ago
51 stars 6 fork 6 watcher
Born at : Feb. 26, 2025, 11:57 a.m. This repo has been linked 91 different CVEs too.

中间件的exp

Updated: 3 months, 1 week ago
3 stars 0 fork 0 watcher
Born at : Oct. 15, 2024, 8:49 a.m. This repo has been linked 58 different CVEs too.

WebTest Tools

blueteam cybersecurity exploit pentest pentesting redteam security-tools shell tools website

Updated: 1 year, 3 months ago
1 stars 1 fork 1 watcher
Born at : March 1, 2024, 8:47 a.m. This repo has been linked 22 different CVEs too.

None

Updated: 1 year, 6 months ago
1 stars 0 fork 0 watcher
Born at : Feb. 24, 2024, 1:05 p.m. This repo has been linked 22 different CVEs too.

None

CSS HTML JavaScript

Updated: 1 year, 6 months ago
0 stars 0 fork 0 watcher
Born at : Feb. 2, 2024, 2:11 p.m. This repo has been linked 494 different CVEs too.

None

Updated: 1 year, 11 months ago
0 stars 0 fork 0 watcher
Born at : Sept. 23, 2023, 11:14 p.m. This repo has been linked 22 different CVEs too.

A red team toolkit aka ART toolkit refers to a collection of tools, techniques, and methodologies used by penetration testers for convenient use of tools and techniques in order to get results faster. An ART toolkit also contains necessary commands which are really helpful for the pentesters.

Updated: 2 years, 3 months ago
0 stars 0 fork 0 watcher
Born at : May 20, 2023, 5:02 a.m. This repo has been linked 22 different CVEs too.

None

Python Shell C# Java PHP

Updated: 2 years ago
2 stars 0 fork 0 watcher
Born at : May 3, 2023, 2:08 p.m. This repo has been linked 59 different CVEs too.

None

Updated: 2 years, 7 months ago
0 stars 1 fork 1 watcher
Born at : Jan. 21, 2023, 10:21 a.m. This repo has been linked 22 different CVEs too.

None

Updated: 2 years, 10 months ago
0 stars 0 fork 0 watcher
Born at : Oct. 11, 2022, 9:02 a.m. This repo has been linked 22 different CVEs too.

None

Updated: 2 years, 11 months ago
2 stars 1 fork 1 watcher
Born at : Sept. 13, 2022, 6:22 p.m. This repo has been linked 22 different CVEs too.

None

Updated: 3 years, 1 month ago
3 stars 0 fork 0 watcher
Born at : July 13, 2022, 2:50 a.m. This repo has been linked 22 different CVEs too.

None

Updated: 1 year ago
0 stars 0 fork 0 watcher
Born at : June 26, 2022, 2:57 a.m. This repo has been linked 22 different CVEs too.

None

Updated: 1 year ago
0 stars 0 fork 0 watcher
Born at : June 26, 2022, 2:56 a.m. This repo has been linked 22 different CVEs too.

None

Updated: 3 years, 1 month ago
1 stars 0 fork 0 watcher
Born at : June 26, 2022, 2:56 a.m. This repo has been linked 22 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-3952 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-3952 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Modified Analysis by [email protected]

    Mar. 13, 2025

    Action Type Old Value New Value
    Changed Reference Type CVE: https://www.vmware.com/security/advisories/VMSA-2020-0006 Types: Vendor Advisory CVE: https://www.vmware.com/security/advisories/VMSA-2020-0006 Types: Broken Link, Vendor Advisory
    Changed Reference Type VMware: https://www.vmware.com/security/advisories/VMSA-2020-0006 Types: Vendor Advisory VMware: https://www.vmware.com/security/advisories/VMSA-2020-0006 Types: Broken Link, Vendor Advisory
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jan. 29, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-306
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/157896/VMware-vCenter-Server-6.7-Authentication-Bypass.html
    Added Reference https://www.vmware.com/security/advisories/VMSA-2020-0006
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CWE Remap by [email protected]

    Jul. 12, 2022

    Action Type Old Value New Value
    Changed CWE CWE-287 CWE-306
  • Modified Analysis by [email protected]

    Dec. 13, 2021

    Action Type Old Value New Value
    Changed Reference Type http://packetstormsecurity.com/files/157896/VMware-vCenter-Server-6.7-Authentication-Bypass.html No Types Assigned http://packetstormsecurity.com/files/157896/VMware-vCenter-Server-6.7-Authentication-Bypass.html Exploit, Third Party Advisory, VDB Entry
  • CWE Remap by [email protected]

    Jul. 21, 2021

    Action Type Old Value New Value
    Changed CWE CWE-863 CWE-287
  • CVE Modified by [email protected]

    Jun. 02, 2020

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/157896/VMware-vCenter-Server-6.7-Authentication-Bypass.html [No Types Assigned]
  • Initial Analysis by [email protected]

    Apr. 10, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://www.vmware.com/security/advisories/VMSA-2020-0006 No Types Assigned https://www.vmware.com/security/advisories/VMSA-2020-0006 Vendor Advisory
    Added CWE NIST CWE-863
    Added CPE Configuration OR *cpe:2.3:a:vmware:vcenter_server:6.7:-:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 9.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 6.8
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

93.32 }} -0.09%

score

0.99801

percentile