How severe is CVE-2018-1000646?

CVE-2018-1000646 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-1000646 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-1000646?

CVE-2018-1000646 affects Librehealth Librehealth Ehr. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-1000646?

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

When was CVE-2018-1000646 published?

CVE-2018-1000646 was published on 2018-08-20 and last updated on 2026-06-17.

CVE-2018-1000646

CVE-2018-1000646 is a high-severity vulnerability in Librehealth Librehealth Ehr with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-434.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Librehealth Librehealth Ehr
Published: 2018-08-20
Last modified: 2026-06-17

Description

LibreHealthIO LH-EHR version REL-2.0.0 contains an Authenticated Unrestricted File Write vulnerability in Import template that can result in write files with malicious content and may lead to remote code execution.

Frequently asked questions

What is CVE-2018-1000646?: LibreHealthIO LH-EHR version REL-2.0.0 contains an Authenticated Unrestricted File Write vulnerability in Import template that can result in write files with malicious content and may lead to remote code execution.
How severe is CVE-2018-1000646?: CVE-2018-1000646 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-1000646 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-1000646?: CVE-2018-1000646 affects Librehealth Librehealth Ehr. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-1000646?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-1000646 published?: CVE-2018-1000646 was published on 2018-08-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:librehealth:librehealth_ehr:2.0.0:*:*:*:*:*:*:*

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