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QtsOperating system · Qnap

CVE-2020-36195

CRITICAL · 9.8 CVSS v3.1 Published 2021-04-17
Fix available
A fix is available. Upgrade to 1.3.4 / 4.3.3 or later.
See remediation →
100/100
Remediation priority · Urgent
Remotely reachable No privileges 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
An SQL injection vulnerability has been reported to affect QNAP NAS running Multimedia Console or the Media Streaming add-on. If exploited, the vulnerability allows remote attackers to obtain application information. QNAP has already fixed this vulnerability in the following versions of Multimedia Console and the Media Streaming add-on. QTS 4.3.3: Media Streaming add-on 430.1.8.10 and later QTS 4.3.6: Media Streaming add-on 430.1.8.8 and later QTS 4.4.x and later: Multimedia Console 1.3.4 and later We have also fixed this vulnerability in the following versions of QTS 4.3.3 and QTS 4.3.6, respectively: QTS 4.3.3.1624 Build 20210416 or later QTS 4.3.6.1620 Build 20210322 or later

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

SQL injection vulnerability in QNAP NAS Multimedia Console and Media Streaming add-on allows remote unauthenticated attackers to obtain application information via specially crafted SQL queries.

MitigationUpdate QNAP QTS and affected components (Multimedia Console or Media Streaming add-on) to the patched versions specified for the respective QTS release branch.

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
QtsOperating system
Affected:< 4.3.3>= 4.3.4, < 4.3.6= 4.3.3= 4.3.3.0095= 4.3.3.0096= 4.3.3.0136= 4.3.3.0154= 4.3.3.0174= 4.3.3.0188= 4.3.3.0210= 4.3.3.0229= 4.3.3.0238
Media Streaming Add OnPlugin / extension
Affected:< 430.1.8.10< 430.1.8.8
Multimedia ConsoleApplication
Affected:< 1.3.4

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
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

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. Check Multimedia Console app version
    Access QNAP App Center via web interface or run 'qpkg -i | grep -i multimedia' via SSH to list installed Multimedia Console version
    Affected if Multimedia Console version is installed and is less than 1.3.4
  2. Check Media Streaming add-on version
    Access QNAP App Center via web interface or run 'qpkg -i | grep -i media' via SSH to list installed Media Streaming add-on version
    Affected if Media Streaming add-on version is installed and is less than 430.1.8.10 or less than 430.1.8.8 (depending on your QTS branch)
  3. Verify QTS firmware version
    Log into QNAP admin web interface and check System Settings > Firmware, or run 'getcfg System.Version' via SSH
    Affected if QTS version is < 4.3.3; or >= 4.3.4 and < 4.3.6; or matches any of these: 4.3.3, 4.3.3.0095, 4.3.3.0096, 4.3.3.0136, 4.3.3.0154, 4.3.3.0174, 4.3.3.0188, 4.3.3.0210, 4.3.3.0229, 4.3.3.0238
  4. Confirm affected apps are accessible over network
    Verify that the QNAP NAS is network-accessible and Multimedia Console or Media Streaming endpoints are reachable (these apps expose web interfaces on ports 8086 and 8087 by default)
    Affected if NAS is externally accessible and either Multimedia Console or Media Streaming add-on is installed with a vulnerable version

You are affected if Multimedia Console < 1.3.4 or Media Streaming add-on < 430.1.8.10/430.1.8.8 is installed on a QTS version matching the affected ranges, and the apps are network-accessible.

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.

dbcve · scoped
Upgrade available Upgrade to 1.3.4 / 4.3.3 / 4.3.6 or later
Fixed in 1.3.44.3.34.3.6
Interim mitigation

Update QNAP QTS and affected components (Multimedia Console or Media Streaming add-on) to the patched versions specified for the respective QTS release branch.

Recommended fix High confidence

QTS 4.3.3 (Media Streaming add-on 430.1.8.10 + QTS build 1624/20210416) or QTS 4.3.6 (Media Streaming add-on 430.1.8.8 + QTS build 1620/20210322) or QTS 4.4.x (Multimedia Console 1.3.4)

  1. Log into QNAP QTS as administrator
  2. Navigate to App Center to identify which application is installed: Media Streaming Add On or Multimedia Console
  3. Check current QTS version via Control Panel > System > System Information > General
  4. For QTS 4.3.3: Update Media Streaming add-on to version 430.1.8.10 or later via App Center, then update QTS to build 1624 (20210416) or later via Control Panel > System > Firmware Update
  5. For QTS 4.3.4/4.3.5: Update QTS to 4.3.6 first, then apply corresponding fixes
  6. For QTS 4.3.6: Update Media Streaming add-on to version 430.1.8.8 or later via App Center, then update QTS to build 1620 (20210322) or later via Control Panel > System > Firmware Update
  7. For QTS 4.4.x and later: Update Multimedia Console to version 1.3.4 or later via App Center
  8. Verify successful update by confirming the new versions in App Center and Control Panel > System > System Information
Caveat Standard QNAP firmware update precautions apply: ensure power stability during firmware flash, backup critical data, and note that some settings may reset to defaults

Generated from the published advisory — verify against the referenced sources before acting.

Fix this in Qts Scoped from the published advisory
  • Consultation2.0 h
  • Implementation2.0 h
  • Testing1.0 h
  • Review / QA1.0 h
6.0 hours of engineering $1,090
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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-2020-36195 in production — separate from our analysis above.

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What this is

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What belongs here
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  • Version or environment caveats, and links to real fixes
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