Title: CVE-2021-43400 BlueZ Vulnerability in StarWind Products

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

Vulnerability ID: SW-20230203-0001

Version: 1.0

Date: 2023-02-21

Status: Final

CVEs: CVE-2021-43400


An issue was discovered in gatt-database.c in BlueZ 5.61.


A use-after-free can occur when a client disconnects during D-Bus processing of a WriteValue call.

Vulnerability Scoring

CVE CVSS 2.0 Score CVSS 3.x Score
CVE-2021-43400 6.4 (MEDIUM) 9.1 (HIGH)




Resource Hyperlink
NVD NVD – CVE-2021-43400 (nist.gov)


Affected Products: 

StarWind SAN&NAS V8 R13

Not affected products:

StarWind HCA and Command Center (all versions)

StarWind VSAN (all versions)

StarWind VTL component (all versions for Windows Server)

StarWind V2V (all versions)

StarWind Tape Redirector component (all versions)

StarWind Deduplication Analyzer (all versions)

StarWind rPerf (all versions)

StarWind iSCSI Accelerator (all versions)

StarWind NVMe-oF Initiator (all versions)

Software Versions and Fixes

Fixed in StarWind SAN&NAS V8 R14


Update StarWind SAN&NAS to V8 R14 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


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 2023-02-03 Initial and Final Public Release