How severe is CVE-2021-37216?

CVE-2021-37216 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-37216 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-37216?

CVE-2021-37216 primarily affects Qsan Xn8024r Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-37216?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-37216 published?

CVE-2021-37216 was published on 2021-08-02 and last updated on 2026-06-17.

CVE-2021-37216

CVE-2021-37216 is a medium-severity vulnerability in Qsan Xn8024r Firmware with a CVSS 3.x base score of 6.1. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Qsan Xn8024r Firmware
Published: 2021-08-02
Last modified: 2026-06-17

Description

QSAN Storage Manager header page parameters does not filter special characters. Remote attackers can inject JavaScript without logging in and launch reflected XSS attacks to access and modify specific data.

Frequently asked questions

What is CVE-2021-37216?: QSAN Storage Manager header page parameters does not filter special characters. Remote attackers can inject JavaScript without logging in and launch reflected XSS attacks to access and modify specific data.
How severe is CVE-2021-37216?: CVE-2021-37216 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-37216 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-37216?: CVE-2021-37216 primarily affects Qsan Xn8024r Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-37216?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-37216 published?: CVE-2021-37216 was published on 2021-08-02 and last updated on 2026-06-17.

References

https://www.twcert.org.tw/tw/cp-132-4962-44cd2-1.html

Affected products (2)

cpe:2.3:o:qsan:xn8024r_firmware:3.1.5:*:*:*:*:*:*:*
cpe:2.3:o:qsan:xn8008t_firmware:3.3.2:*:*:*:*:*:*:*

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