Title: CVE-2021-1723 ASP.NET Core Denial of Service Vulnerability in StarWind products

Note: StarWind will continue to update this vulnerability as new information becomes available.

Vulnerability ID: SW-20210112-0001

Version: 1.0

Date: 2021-01-12

Status: Fixed

CVEs: CVE-2021-1723

Summary

A denial-of-service vulnerability exists in the way Kestrel parses HTTP/2 requests

Impact 

A remote unauthenticated attacker could exploit this vulnerability by issuing the wrong way the Kestrel parses HTTP/2 requests to the ASP.NET Core application.

Vulnerability Scoring

CVE CVSS 2.0 Score CVSS 3.x Score
CVE-2021-1723 5.0(MEDIUM) 7.5(HIGH)

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Resource Hyperlink
NVD https://nvd.nist.gov/vuln/detail/CVE-2021-1723

 

Affected Products:

StarWind Command Center build 4992

Not affected products:

StarWind VSAN for Hyper-V (all versions)

StarWind HCA (any setup)

StarWind SA (any setup)

StarWind VTLA (any setup)

StarWind VTL component (all versions)

StarWind V2V (all versions)

StarWind Tape Redirector component (all versions)

StarWind Deduplication Analyzer (all versions)

StarWind rPerf (all versions)

StarWind iSCSI Accelerator (all versions)

Software Versions and Fixes

StarWind Command Center build 5650

Workaround

Update StarWind Command Center to the build 5650 or higher

Obtaining Software Fixes 

Software updates will be available in StarWind release notes – https://www.starwindsoftware.com/release-notes-build. To update the software, perform the steps described at the following link  – https://knowledgebase.starwindsoftware.com/guidance/upgrading-from-any-starwind-version-to-any-starwind-version/ or contact support to perform an update. You can submit a support request using the following link https://www.starwindsoftware.com/support-form or contact Support directly via email support@starwind.com or via phone +1 617 829 4499.

Status of Notice

Final

StarWind will continue to update information regarding this vulnerability as new details become available.

This vulnerability article should be considered as the single source of current, up-to-date, authorized and accurate information posted by StarWind Software.

Revision History 

Revision # Date Comments
1.0 2021-01-12 Initial Public Release and Final Status