What is CVE-2021-32521?

CVE-2021-32521 is a high-severity vulnerability in Qsan Sanos, classified under Use of Hard-coded Password. CVSS score: 7.3/10. Published 2021-07-07.

How severe is CVE-2021-32521?

High severity. CVSS v3 base score is 7.3 out of 10.

Vulnerability in Qsan Sanos

CVE-2021-32521

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.

Published 2021-07-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.007 (51.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 51.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Qsan Sanos — versions unspecified
Qsan Storage Manager — versions unspecified
Qsan Storage Manager
Qsan Xevo — versions unspecified

Weakness classification (CWE)

References

www.twcert.org.tw/tw/cp-132-4877-7b696-1.html (Third Party Advisory)

Frequently asked questions

What is CVE-2021-32521?: CVE-2021-32521 is a high-severity vulnerability in Qsan Sanos, classified under Use of Hard-coded Password. CVSS score: 7.3/10. Published 2021-07-07.
How severe is CVE-2021-32521?: High severity. CVSS v3 base score is 7.3 out of 10.