How severe is CVE-2021-32517?

CVE-2021-32517 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-32517 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-32517?

CVE-2021-32517 affects Qsan Storage Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-32517?

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

When was CVE-2021-32517 published?

CVE-2021-32517 was published on 2021-07-07 and last updated on 2026-06-17.

CVE-2021-32517

CVE-2021-32517 is a high-severity vulnerability in Qsan Storage Manager with a CVSS 3.x base score of 7.5. 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-284.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Qsan Storage Manager
Published: 2021-07-07
Last modified: 2026-06-17

Description

Improper access control vulnerability in share_link in QSAN Storage Manager allows remote attackers to download arbitrary files using particular parameter in download function. The referred vulnerability has been solved with the updated version of QSAN Storage Manager v3.3.3.

Frequently asked questions

What is CVE-2021-32517?: Improper access control vulnerability in share_link in QSAN Storage Manager allows remote attackers to download arbitrary files using particular parameter in download function. The referred vulnerability has been solved with the updated version of QSAN Storage Manager v3.3.3.
How severe is CVE-2021-32517?: CVE-2021-32517 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-32517 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-32517?: CVE-2021-32517 affects Qsan Storage Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-32517?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-32517 published?: CVE-2021-32517 was published on 2021-07-07 and last updated on 2026-06-17.

References

https://www.twcert.org.tw/tw/cp-132-4873-6f88b-1.html

Affected products (1)

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

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