Is CVE-2018-1999009 actively exploited?

No active exploitation of CVE-2018-1999009 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2018-1999009 be exploited remotely?

Yes. CVE-2018-1999009 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2018-1999009?

CVE-2018-1999009 has a CVSS score of 8.1 (HIGH).

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HIGH

CVE-2018-1999009

CWE-200Published: July 23, 2018· Updated: Jun 17, 2026

8.1

CVSS v3.1

Official Description

October CMS version prior to Build 437 contains a Local File Inclusion vulnerability in modules/system/traits/ViewMaker.php#244 (makeFileContents function) that can result in Sensitive information disclosure and remote code execution. This attack appear to be exploitable remotely if the /backend path is accessible. This vulnerability appears to have been fixed in Build 437.

NVD Source

Technical Analysis

CVE-2018-1999009 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.1.

From a weakness classification perspective (CWE-200): Information exposure vulnerabilities leak sensitive data to unauthorized actors.