LogontracerApplication · Jpcert

CVE-2018-16168

CRITICAL · 9.8 CVSS v3.0 Published 2019-01-09
Fix available
A fix is available. Upgrade to after 1.2.0 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
LogonTracer 1.2.0 and earlier allows remote attackers to conduct Python code injection attacks via unspecified vectors.

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 · moderate confidence

LogonTracer versions 1.2.0 and earlier contain a remote Python code injection vulnerability that allows unauthenticated remote attackers to execute arbitrary Python code on the target system via unspecified input vectors. The critical severity (CVSS 9.8) indicates the vulnerability is exploitable remotely with no authentication required and results in complete compromise of the application.

MitigationUpgrade LogonTracer to version 1.2.1 or later, which contains the security fix for this code injection vulnerability. If immediate patching is not possible, network-level access controls should be implemented to restrict access to the LogonTracer interface to trusted sources only.

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
LogontracerApplication
Affected:<= 1.2.0

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:3.0/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. Confirm LogonTracer is installed
    Identify if LogonTracer is running on the system by checking for python processes related to LogonTracer, or look for LogonTracer directories or service files on the host
    Affected if LogonTracer software is found on the system
  2. Determine installed version
    Locate and inspect version information for LogonTracer - check the application interface, version file, or package metadata that shipped with the installation
    Affected if The version is 1.2.0 or earlier, or if no version can be determined and the software is present
  3. Check network exposure
    Verify whether the LogonTracer web interface is accessible from network addresses other than localhost or trusted management networks
    Affected if LogonTracer is listening on a network interface accessible to untrusted hosts (0.0.0.0 or external IP addresses)
  4. Inspect for Indicators of Compromise
    Review LogonTracer application logs for unusual requests, especially those containing Python syntax patterns or suspicious input that may indicate exploitation attempts
    Affected if Log entries show unexpected Python code patterns, injection attempts, or unauthorized command execution

A user is affected if LogonTracer version 1.2.0 or earlier is installed and exposed to network access, or if logs show evidence of exploitation attempts.

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 a release after 1.2.0
Interim mitigation

Upgrade LogonTracer to version 1.2.1 or later, which contains the security fix for this code injection vulnerability. If immediate patching is not possible, network-level access controls should be implemented to restrict access to the LogonTracer interface to trusted sources only.

Fix this in Logontracer Scoped from the published advisory
  • Consultation2.0 h
  • Implementation4.0 h
  • Testing4.0 h
  • Review / QA2.0 h
12.0 hours of engineering $2,080
Get the upgrade done

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $3,328.

Scan for this in your stack

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dbcve dependency scanner

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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-2018-16168 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