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Qulog CenterApplication · Qnap

CVE-2024-48862

CRITICAL · 9.8 CVSS v3.1 Published 2024-11-22
Fix available
A fix is available. Upgrade to 1.7.0.831 / 1.8.0.888 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
A link following vulnerability has been reported to affect QuLog Center. If exploited, the vulnerability could allow remote attackers to traverse the file system to unintended locations and read or overwrite the contents of unexpected files. We have already fixed the vulnerability in the following versions: QuLog Center 1.7.0.831 ( 2024/10/15 ) and later QuLog Center 1.8.0.888 ( 2024/10/15 ) and 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

A path traversal vulnerability in QuLog Center allows remote attackers to escape the intended directory and access or modify files outside the web root using directory traversal sequences. The critical CVSS score of 9.8 indicates the vulnerability is exploitable remotely without authentication.

MitigationUpgrade QuLog Center to version 1.7.0.831 / 1.8.0.888 or later. If immediate patching is not possible, restrict network access to the QuLog Center service and implement web application firewall rules to block traversal patterns.

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
Qulog CenterApplication
Affected:>= 1.7.0.800, < 1.7.0.831>= 1.8.0.872, < 1.8.0.888

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. Locate QuLog Center installation directory
    On the QNAP NAS, access the QTS desktop and open App Center, or use the command line to locate the QuLog Center installation. Typically installed under /share/CACHEDEV1_DATA/.qpkg/QuLogCenter or similar QPKG paths.
    Affected if The QuLog Center application is installed on the QNAP device.
  2. Identify installed QuLog Center version
    In QTS App Center, right-click on QuLog Center and select 'Information', or use the command 'qpkg --info QuLog Center' via SSH to retrieve the installed version number.
    Affected if The displayed version falls within the ranges 1.7.0.800 to 1.7.0.830 OR 1.8.0.872 to 1.8.0.887.
  3. Verify web interface accessibility
    Confirm whether the QuLog Center web interface (typically ports 8080 or 443) is reachable from network segments outside the trusted local network. Check router/firewall rules and QNAP's built-in access control settings.
    Affected if The QuLog Center web service is exposed to untrusted networks without proper firewall restrictions.
  4. Inspect current firewall or WAF rules
    Review any existing firewall rules on the QNAP device or upstream network devices that may block directory traversal patterns (such as ../ sequences) targeting QuLog Center endpoints.
    Affected if No traversal pattern filtering or firewall rules are in place to block exploitation attempts.

A user is affected if QuLog Center is installed with version 1.7.0.800-1.7.0.830 or 1.8.0.872-1.8.0.887 and the web interface is accessible to potential attackers.

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 1.7.0.831 / 1.8.0.888 or later
Fixed in 1.7.0.8311.8.0.888
Interim mitigation

Upgrade QuLog Center to version 1.7.0.831 / 1.8.0.888 or later. If immediate patching is not possible, restrict network access to the QuLog Center service and implement web application firewall rules to block traversal patterns.

Recommended fix High confidence

QuLog Center 1.7.0.831 (for 1.7.x line) or QuLog Center 1.8.0.888 (for 1.8.x line)

  1. Identify current QuLog Center version from the QNAP admin interface (QuLog Center > Control Panel > Applications > QuLog Center)
  2. If version is >= 1.7.0.800 and < 1.7.0.831, plan upgrade to 1.7.0.831 or later
  3. If version is >= 1.8.0.872 and < 1.8.0.888, plan upgrade to 1.8.0.888 or later
  4. Access QNAP App Center or use QNAP firmware update mechanism
  5. Locate QuLog Center in App Center
  6. Click Update to install the latest available version (1.7.0.831+ for 1.7.x line, 1.8.0.888+ for 1.8.x line)
  7. Verify the updated version after installation completes
  8. Confirm the vulnerability is remediated by checking the version is 1.7.0.831+ or 1.8.0.888+

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

Fix this in Qulog Center Scoped from the published advisory
  • Consultation2.0 h
  • Implementation3.0 h
  • Testing2.0 h
  • Review / QA1.0 h
8.0 hours of engineering $1,420
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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-2024-48862 in production — separate from our analysis above.

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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