PatchTheCVECVE-2021-37216: QSAN Storage Manager header page parameters does not filter special characters
CVE-2021-37216 is a medium-severity flaw (CVSS 6.1) affecting xn8024r firmware, xn8008t firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- No elevated risk signals yet
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 6.1 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 3.2% (top 12%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2021-08-02 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Public exploits and detection
Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.
- Nuclei scan template: QSAN Storage Manager <3.3.3 - Cross-Site Scripting
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2021-37216?
xn8024r firmware: mitigate or apply the listed mitigation; xn8008t firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2021-37216 being exploited?
CVE-2021-37216 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2021-37216 affect?
CVE-2021-37216 affects xn8024r firmware, xn8008t firmware. Severity is medium (CVSS 6.1). 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 urgent is CVE-2021-37216?
Priority 43/100. No elevated risk signals yet.