How severe is CVE-2021-32518?

CVE-2021-32518 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-2021-32518 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-2021-32518?

CVE-2021-32518 affects Qsan Storage Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-32518?

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-2021-32518 published?

CVE-2021-32518 was published on 2021-07-07 and last updated on 2026-06-17.

CVE-2021-32518

CVE-2021-32518 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-59.

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-59
Affected product: Qsan Storage Manager
Published: 2021-07-07
Last modified: 2026-06-17

Description

A vulnerability in share_link in QSAN Storage Manager allows remote attackers to create a symbolic link then access 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-2021-32518?: A vulnerability in share_link in QSAN Storage Manager allows remote attackers to create a symbolic link then access arbitrary files. The referred vulnerability has been solved with the updated version of QSAN Storage Manager v3.3.3.
How severe is CVE-2021-32518?: CVE-2021-32518 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-2021-32518 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-2021-32518?: CVE-2021-32518 affects Qsan Storage Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-32518?: 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-2021-32518 published?: CVE-2021-32518 was published on 2021-07-07 and last updated on 2026-06-17.

References

https://www.twcert.org.tw/tw/cp-132-4874-79edc-1.html

Affected products (1)

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

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