How severe is CVE-2018-16167?

CVE-2018-16167 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-16167 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 75% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-16167?

CVE-2018-16167 affects Jpcert Logontracer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-16167?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2018-16167 published?

CVE-2018-16167 was published on 2019-01-09 and last updated on 2026-06-17.

CVE-2018-16167

CVE-2018-16167 is a critical-severity vulnerability in Jpcert Logontracer with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 75% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 75% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Jpcert Logontracer
Published: 2019-01-09
Last modified: 2026-06-17

Description

LogonTracer 1.2.0 and earlier allows remote attackers to execute arbitrary OS commands via unspecified vectors.

Frequently asked questions

What is CVE-2018-16167?: LogonTracer 1.2.0 and earlier allows remote attackers to execute arbitrary OS commands via unspecified vectors.
How severe is CVE-2018-16167?: CVE-2018-16167 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-16167 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 75% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-16167?: CVE-2018-16167 affects Jpcert Logontracer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-16167?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2018-16167 published?: CVE-2018-16167 was published on 2019-01-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:jpcert:logontracer:*:*:*:*:*:*:*:*

More vulnerabilities in Jpcert Logontracer

CVE-2018-16168 — Critical (CVSS 9.8): LogonTracer 1.2.0 and earlier allows remote attackers to conduct Python code injection attacks via unspecified vectors.
CVE-2026-33277 — High (CVSS 8.8): An OS command Injection issue exists in LogonTracer prior to v2.0.0. An arbitrary OS command may be executed by a…
CVE-2018-16166 — High (CVSS 8.8): LogonTracer 1.2.0 and earlier allows remote attackers to conduct XML External Entity (XXE) attacks via unspecified…
CVE-2018-16165 — Medium (CVSS 6.1): Cross-site scripting vulnerability in LogonTracer 1.2.0 and earlier allows remote attackers to inject arbitrary web…
CVE-2026-33566 — Medium (CVSS 4.3): There is a cypher injection issue in LogonTracer prior to v2.0.0. If specially crafted Windows event log data is…

All CVEs affecting Jpcert Logontracer →

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