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Findings

Vulnerability · CVE-2020-21650

myucms_project myucms Improper Control of Generation of Code ('Code Injection')

Published Nov 13, 2023 · corrected/updated Nov 13, 2023 · myucms_project myucms · evidence confidence very high

Myucms v2.2.1 contains a remote code execution (RCE) vulnerability in the component \controller\Config.php, which can be exploited via the add() method.

Grounded briefings

Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.

Executive

CVE-2020-21650 is a unknown public vulnerability record for myucms_project myucms. CISA lists it as known exploited. Published remediation guidance: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.

System administrator

Identify whether myucms_project myucms is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: myucms_project myucms. Published remediation guidance: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.

Security analyst

Signals on file: no CVSS/EPSS yet. CISA lists it as known exploited. Sources contributing to this record: cve_org, vulncheck_kev. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.

Exploitation and remediation

  • Exploitation evidence

    Confirmed in CISA KEV since Nov 13, 2023. Listed in CISA KEV and VulnCheck KEV.

  • Patch and remediation

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

  • Safe detection guidance

    Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Nov 13, 2023 · VulnCheck KEV

    Detected

    Myucms v2.2.1 contains a remote code execution (RCE) vulnerability in the component \controller\Config.php, which can be exploited via the add() method.

  2. Nov 13, 2023 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Affected

  • vendor myucms_project myucmsversion unspecified

Sources

  • CVE.orgVulnerability recordCVE-2020-21650

    Official CVE identifier

    cve.org
  • VulnCheck KEVConfirmed exploitationCVE-2020-21650

    Myucms v2.2.1 contains a remote code execution (RCE) vulnerability in the component \controller\Config.php, which can be exploited via the add() method.

    vulncheck.com

References

CVE-2020-21650 · ZeroDay Findings