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Storage ManagerApplication · Qsan

CVE-2021-32509

MEDIUM · 6.5 CVSS v3.1 Published 2021-07-07
Fix available
A fix is available. Upgrade to 3.3.3 or later.
See remediation →
71/100
Remediation priority · Elevated
Remotely reachable Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
Absolute Path Traversal vulnerability in FileviewDoc in QSAN Storage Manager allows remote authenticated attackers access arbitrary files by injecting the Symbolic Link following the Url path parameter. The referred vulnerability has been solved with the updated version of QSAN Storage Manager v3.3.3.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · high confidence

Absolute path traversal vulnerability in the FileviewDoc component of QSAN Storage Manager allows remote authenticated attackers to access arbitrary files on the host system by injecting symbolic links into the URL path parameter.

MitigationUpgrade QSAN Storage Manager to version v3.3.3 or later to patch the vulnerability.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
Storage ManagerApplication
Affected:< 3.3.3

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Verify QSAN Storage Manager is installed
    Check for QSAN Storage Manager installation on the system by looking for its installation directory, service, or associated processes
    Affected if QSAN Storage Manager is present on the system
  2. Determine the installed version of QSAN Storage Manager
    Use the product's built-in version check command, look at the application properties file, or check the software itself for its version number
    Affected if The version is below 3.3.3
  3. Check if the FileviewDoc component is accessible
    Attempt to access the FileviewDoc endpoint or module through the web interface or API, typically found under the storage management portal
    Affected if The FileviewDoc component is enabled and reachable
  4. Verify if remote authentication is possible
    Confirm whether the management interface allows remote authentication connections, as this vulnerability requires authenticated attacker access
    Affected if Remote authentication to the management interface is enabled

The environment is affected if QSAN Storage Manager version is below 3.3.3 and the FileviewDoc component is accessible to authenticated users.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

From vendor data
Upgrade available Upgrade to 3.3.3 or later
Fixed in 3.3.3
Interim mitigation

Upgrade QSAN Storage Manager to version v3.3.3 or later to patch the vulnerability.

Fix this in Storage Manager Scoped from the published advisory
  • Consultation2.0 h
  • Implementation4.0 h
  • Testing6.0 h
  • Review / QA3.0 h
15.0 hours of engineering $2,560
Get the upgrade done

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $4,096.

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2021-32509 in production — separate from our analysis above.

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data