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CVE-2018-1000019· NVD / CVE Program· CNA mitre

OpenEMR version 5.0.0 contains a OS Command Injection vulnerability in fax_dispatch.php that can result in OS command injection by an authen

OpenEMR version 5.0.0 contains a OS Command Injection vulnerability in fax_dispatch.php that can result in OS command injection by an authenticated attacker with any role. This vulnerability appears to have been fixed in 5.0.0 Patch 2 or higher.

HighCVSS 8.8 · v3.0—No exploit Fix available
Published
Feb 9, 2018
Updated
Jun 16, 2026
EPSS
3.8% · 90th percentile
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Report tools

JSON

Action score

36

Monitor

Low priority for now.

CVSS
35 / 40 · 8.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
1 / 30 · 3.8%

Noroxi analysis

No Noroxi analysis for this record yet

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Affected systems

VendorProduct
open-emropenemr

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • open-emr openemr5.0.0

Same product

open-emr: all records

Other highest-scoring records for the same primary product.

  • CVE-2020-19364OpenEMR 5.0.1 allows an authenticated attacker to upload and execute malicious PHP scripts through /controller.php.
    56Plan
  • CVE-2019-14530An issue was discovered in custom/ajax_download.php in OpenEMR before 5.0.2 via the fileName parameter.
    55Plan
  • CVE-2020-36243The Patient Portal of OpenEMR 5.0.2.1 is affected by a Command Injection vulnerability in /interface/main/backup.php.
    54Plan
  • CVE-2023-2948Cross-site Scripting (XSS) - Generic in openemr/openemr
    53Plan
  • CVE-2022-2733Cross-site Scripting (XSS) - Reflected in openemr/openemr
    53Plan
  • CVE-2018-15153OS command injection occurring in versions of OpenEMR before 5.0.1.4 allows a remote authenticated attacker to execute arbitrary commands by
    53Plan

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
n/a n/a5.0.0 · descriptionVendor (CNA)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • A low-privileged account is enough.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

nvd-primary

Root cause

User input is inserted as text into a shell command. The shell may interpret special characters in the input as part of the command.

The bug in code

The whole CWE-78 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

ts
const host = req.body.host;exec("ping -c 1 " + host, onResult);

Fixed

ts
const host = req.body.host;if (!/^[a-z0-9.-]{1,253}$/i.test(host)) return res.sendStatus(400);execFile("ping", ["-c", "1", host], onResult);

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

Change log

  1. Fix✗ → ✓

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References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records