Headline
CVE-2021-45389: CVE-2021-45389 Update Manager vulnerability in StarWind products
A flaw was found with the JWT token. A self-signed JWT token could be injected into the update manager and bypass the authentication process, thus could escalate privileges. This affects StarWind SAN and NAS build 1578 and StarWind Command Center build 6864.
****Summary****
Update Manager allows authentification with JTW token which is signed with any key.
Impact
An attacker could use self-signed JTW token to bypass authentication resulting in escalation of privileges.
****Vulnerability Scoring****
CVE
CVSS 2.0 Score
CVSS 3.x Score
CVE-2021-45389
7.5 (HIGH)
9.8 (CRITICAL)
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
Resource
Hyperlink
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-45389
****Affected Products:** **
StarWind SAN & NAS build 1578
StarWind Command Center build 6864
****Not affected products:****
StarWind SAN&NAS build 1381
StarWind SAN&NAS build 1064
StarWind Command Center build 5871
StarWind Command Center build 5856
StarWind Command Center build 5650
StarWind Command Center build 4992
StarWind VSAN for Hyper-V (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 R13
Fixed in StarWind Command Center v2 build 7024
****Workaround****
Update to StarWind Command Center v2 build 7024 or higher
Update to SAN & NAS v8 R13 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 [email protected] 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
2021-12-15
Initial Public Release
2.0
2022-03-02
Final Status for Command Center
3.0
2022-06-23
Final Status for SAN & NAS