CVE-2021-45389
StarWind SAN & NAS build 1578 and StarWind Command Center Build 6864 Update Manager allows...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2021-45389- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-287
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2021-45389- Updated
- 2026-11-02
EUVDEUVD-2021-32162 No score
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.
- Record
EUVD-2021-32162- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-34rp-625w-j33p
StarWind SAN & NAS build 1578 and StarWind Command Center Build 6864 Update Manager allows...
StarWind SAN & NAS build 1578 and StarWind Command Center Build 6864 Update Manager allows authentication with JTW token which is signed with any key. An attacker could use self-signed JTW token to bypass authentication resulting in escalation of privileges.
- Record
GHSA-34rp-625w-j33p- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-269, CWE-287
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-45389 is a critical vulnerability (CVSS 9.8) in Starwind Command Center, published January 4, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.21%, the 68th percentile. No source names a fixed version.