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Vulnerabilities

Vulnerability · CVE-2020-21650

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

Published Nov 13, 2023 · catalog updated Nov 13, 2023 · myucms_project myucms Improper Control

Patch now

CVE-2020-21650 is in the CISA known-exploited catalog. Confirm myucms_project myucms Improper Control against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (myucms_project myucms Improper Control).
  • No version range is stored. A customer cannot check an installed version against this record.
Severity
Unknown—
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
3.23%
Remediation
Remediation guidance
Affected products
vendor myucms_project myucms

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor myucms_project myucmsversion unspecified

How to fix CVE-2020-21650

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2020-21650 is in the CISA known-exploited catalog. Confirm myucms_project myucms Improper Control against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

What should an analyst verify?

No weakness class is stored. EPSS 3.23%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

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.

Sources

  • CVE.orgVulnerability recordCVE-2020-21650

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2020-21650

    30-day exploitation probability 3.2%

    first.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

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.