VMware vCenter Server 6.4/6.5/7.0 SAN Health Check improper authentication

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
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7.0$0-$5k0.00

A vulnerability classified as critical has been found in VMware vCenter Server 6.4/6.5/7.0 (Server Management Software). This affects an unknown code of the component SAN Health Check/Site Recovery/Lifecycle Manager/Cloud Director Availability. The manipulation with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the software does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was released 05/26/2021 as VMSA-2021-0010/KB83829. It is possible to read the advisory at vmware.com. This vulnerability is uniquely identified as CVE-2021-21986. The technical details are unknown and an exploit is not publicly available.

Applying the patch 6.5 U3p/6.7 U3n/7.0 U2b is able to eliminate this problem.

Productinfo

Type

Vendor

Name

License

  • commercial

CPE 2.3info

CPE 2.2info

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 6.5 U3p/6.7 U3n/7.0 U2b

Timelineinfo

01/04/2021 🔍
05/26/2021 +141 days 🔍
05/26/2021 +0 days 🔍
05/29/2021 +3 days 🔍

Sourcesinfo

Vendor: vmware.com

Advisory: VMSA-2021-0010/KB83829
Status: Confirmed

CVE: CVE-2021-21986 (🔍)
scip Labs: https://www.scip.ch/en/?labs.20060413

Entryinfo

Created: 05/26/2021 07:06 PM
Updated: 05/29/2021 02:45 PM
Changes: 05/26/2021 07:06 PM (40), 05/29/2021 02:45 PM (5)
Complete: 🔍

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