How severe is CVE-2021-32516?

CVE-2021-32516 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-2021-32516 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-32516?

CVE-2021-32516 affects Qsan Storage Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-32516?

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-2021-32516 published?

CVE-2021-32516 was published on 2021-07-07 and last updated on 2026-06-17.

CVE-2021-32516

CVE-2021-32516 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-22.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Qsan Storage Manager
Published: 2021-07-07
Last modified: 2026-06-17

Description

Path traversal vulnerability in share_link in QSAN Storage Manager allows remote attackers to download arbitrary files. The referred vulnerability has been solved with the updated version of QSAN Storage Manager v3.3.3.

Frequently asked questions

What is CVE-2021-32516?: Path traversal vulnerability in share_link in QSAN Storage Manager allows remote attackers to download arbitrary files. The referred vulnerability has been solved with the updated version of QSAN Storage Manager v3.3.3.
How severe is CVE-2021-32516?: CVE-2021-32516 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-2021-32516 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-32516?: CVE-2021-32516 affects Qsan Storage Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-32516?: 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-2021-32516 published?: CVE-2021-32516 was published on 2021-07-07 and last updated on 2026-06-17.

References

https://www.twcert.org.tw/tw/cp-132-4872-fcfa4-1.html

Affected products (1)

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

More vulnerabilities in Qsan Storage Manager

CVE-2021-32522 — Critical (CVSS 9.8): Improper restriction of excessive authentication attempts vulnerability in QSAN Storage Manager, XEVO, SANOS allows…
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CVE-2021-32519 — Critical (CVSS 9.8): Use of password hash with insufficient computational effort vulnerability in QSAN Storage Manager, XEVO, SANOS allows…
CVE-2021-32513 — Critical (CVSS 9.8): QsanTorture in QSAN Storage Manager does not filter special parameters properly that allows remote unauthenticated…
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CVE-2021-32525 — Critical (CVSS 9.1): The same hard-coded password in QSAN Storage Manager's in the firmware allows remote attackers to access the control…

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