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VMware · vCenter Server

CVE-2020-3952

VMware vCenter Server Information Disclosure Vulnerability

Exploited in attacks Critical 9.8 Attack chance: 90%
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What it is

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.

CISA: 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.

What to do

Apply updates per vendor instructions.

Deadline for US federal agencies: May 3, 2022

Added to the CISA list
November 3, 2021
Published
April 10, 2020
Severity
Critical 9.8 CVSS 3.1
Chance of attacks in the next 30 days (EPSS)
90% in the top 0.2% of all known vulnerabilities
Weakness
CWE-306
More details
NVD · CVE.org · CISA
All references (2)

More exploited flaws from VMware

AddedVulnerabilityProductSeverityAttack chance
Nov 20, 2024Heap-Based Buffer OverflowCVE-2024-38812vCenter ServerCritical 9.855%
Nov 20, 2024Privilege EscalationCVE-2024-38813vCenter ServerHigh 7.517%
Jul 17, 2024Incorrect Default File Permissions Vulnerability CVE-2022-22948vCenter ServerMedium 6.513%
Jan 22, 2024Out-of-Bounds WriteCVE-2023-34048vCenter ServerCritical 9.899.2%
Jan 10, 2022Improper Access ControlCVE-2021-22017vCenter ServerMedium 5.349%
Nov 3, 2021Remote Code ExecutionCVE-2021-21972used by ransomwarevCenter ServerCritical 9.899.9%
Nov 3, 2021Improper Input ValidationCVE-2021-21985used by ransomwarevCenter ServerCritical 9.8>99.9%
Nov 3, 2021File UploadCVE-2021-22005used by ransomwarevCenter ServerCritical 9.8>99.9%

All of them →

Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.