How severe is CVE-2021-32520?

CVE-2021-32520 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-32520 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-32520?

CVE-2021-32520 affects Qsan Storage Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-32520?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2021-32520 published?

CVE-2021-32520 was published on 2021-07-07 and last updated on 2026-06-17.

CVE-2021-32520

CVE-2021-32520 is a critical-severity vulnerability in Qsan Storage Manager with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-321.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-321
Affected product: Qsan Storage Manager
Published: 2021-07-07
Last modified: 2026-06-17

Description

Use of hard-coded cryptographic key vulnerability in QSAN Storage Manager allows attackers to obtain users’ credentials and related permissions. Suggest contacting with QSAN and refer to recommendations in QSAN Document.

Frequently asked questions

What is CVE-2021-32520?: Use of hard-coded cryptographic key vulnerability in QSAN Storage Manager allows attackers to obtain users’ credentials and related permissions. Suggest contacting with QSAN and refer to recommendations in QSAN Document.
How severe is CVE-2021-32520?: CVE-2021-32520 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-32520 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-32520?: CVE-2021-32520 affects Qsan Storage Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-32520?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-32520 published?: CVE-2021-32520 was published on 2021-07-07 and last updated on 2026-06-17.

References

https://www.twcert.org.tw/tw/cp-132-4876-8da07-1.html

Affected products (1)

cpe:2.3:a:qsan:storage_manager:*:*:*:*:*:*:*:*

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