CVE-2021-32521: QSAN Storage Manager, XEVO, SANOS - Use of Hard-coded Password

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-07-07 · updated 2026-06-17
Weakness: CWE-259

Description

Use of MAC address as an authenticated password in QSAN Storage Manager, XEVO, SANOS allows local attackers to escalate privileges. Suggest contacting with QSAN and refer to recommendations in QSAN Document.

Affected products

QSAN SANOS: through 2.0.0
QSAN Storage Manager: through 3.3.1
QSAN XEVO: before 1.2.0 — fixed in 1.2.0

How to fix

Upgrade to a fixed version: QSAN XEVO 1.2.0. Check the vendor advisory for mitigations.

References

https://www.twcert.org.tw/tw/cp-132-4877-7b696-1.html
https://www.twcert.org.tw/tw/cp-132-4877-7b696-1.html

Get alerted when CVE-2021-32521 or the next vulnerability affects your stack