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CVE-2017-9067: In MODX Revolution before 2.5.7, when PHP 5.3.3 is used, an attacker is able to include and execute arbitra...

In MODX Revolution before 2.5.7, when PHP 5.3.3 is used, an attacker is able to include and execute arbitrary files on the web server due to insufficient validation of the action parameter to setup/index.php, aka directory traversal.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

This flaw affects MODX Revolution versions before 2.5.7 in a specific legacy environment using PHP 5.3.3. A vulnerable setup page could allow an attacker to make the server include and execute unintended local files. That can threaten site integrity and server confidentiality if the affected setup endpoint is reachable.

Executive priority

Prioritize remediation if legacy MODX and PHP 5.3.3 are still in use. The business risk is highest for public-facing sites because the described impact includes server-side file execution.

Technical view

CVE-2017-9067 is a directory traversal issue in the action parameter of setup/index.php. In MODX Revolution before 2.5.7 on PHP 5.3.3, insufficient validation could allow arbitrary file inclusion and execution on the web server. The source bundle does not provide CVSS, CWE, or detailed affected CPE data.

Likely exposure

Exposure appears limited to MODX Revolution deployments before 2.5.7 running PHP 5.3.3, especially where setup/index.php is accessible. Current or upgraded MODX deployments are not shown as affected by the supplied sources.

Exploitation context

The public CVE record and references describe the vulnerable condition, but the bundle does not cite active exploitation and KEV is false. Treat this as a serious legacy web exposure, not a confirmed currently exploited vulnerability.

Researcher notes

The key conditions are MODX Revolution before 2.5.7, PHP 5.3.3, and insufficient action parameter validation in setup/index.php. Evidence is incomplete for exact version ranges beyond “before 2.5.7,” affected CPEs, CVSS, and exploitation in the wild.

Mitigation direction

  • Upgrade MODX Revolution to version 2.5.7 or later.
  • Review MODX vendor guidance for any setup directory handling requirements.
  • Retire or isolate systems still running PHP 5.3.3.
  • Prioritize internet-facing MODX instances for review first.

Validation and detection

  • Inventory MODX Revolution versions across public and internal sites.
  • Confirm whether any deployment runs PHP 5.3.3.
  • Check whether setup/index.php is reachable in affected deployments.
  • Verify upgraded systems report MODX 2.5.7 or later.
  • Review logs for suspicious requests to setup/index.php.
Prepared
Confidence
medium
Sources
5

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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ATT&CK lookup starting points

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description · low confidence lookup

File access behavior lookup

The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

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CVE-2017-9067 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
4Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.