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Vulnerabilities

Vulnerability · CVE-2020-11546

superwebmailer superwebmailer Improper Control of Generation of Code ('Code Injection')

Published Nov 22, 2023 · catalog updated Nov 22, 2023 · superwebmailer superwebmailer Improper Control

Patch now

CVE-2020-11546 is in the CISA known-exploited catalog. Confirm superwebmailer superwebmailer 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 (superwebmailer superwebmailer 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
32.84%
Remediation
Remediation guidance
Affected products
vendor superwebmailer superwebmailer

SuperWebMailer 7.21.0.01526 is susceptible to a remote code execution vulnerability in the Language parameter of mailingupgrade.php. An unauthenticated remote attacker can exploit this behavior to execute arbitrary PHP code via Code Injection. Initial-access exploit intelligence.

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 superwebmailer superwebmailerversion unspecified

How to fix CVE-2020-11546

What to do

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

Should you patch?

CVE-2020-11546 is in the CISA known-exploited catalog. Confirm superwebmailer superwebmailer 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 32.84%. 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 22, 2023 · VulnCheck KEV

    Detected

    SuperWebMailer 7.21.0.01526 is susceptible to a remote code execution vulnerability in the Language parameter of mailingupgrade.php. An unauthenticated remote attacker can exploit this behavior to execute arbitrary PHP code via Code Injection. Initial-access exploit intelligence.

  2. Nov 22, 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-2020-11546

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2020-11546

    30-day exploitation probability 32.8%

    first.org
  • VulnCheck KEVConfirmed exploitationCVE-2020-11546

    SuperWebMailer 7.21.0.01526 is susceptible to a remote code execution vulnerability in the Language parameter of mailingupgrade.php. An unauthenticated remote attacker can exploit this behavior to execute arbitrary PHP code via Code Injection.

    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.