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Vulnerabilities

Vulnerability · CVE-2021-23263

craftercms crafter_cms Transmission of Private Resources into a New Sphere ('Resource Leak')

Published Feb 27, 2025 · catalog updated Feb 27, 2025 · craftercms crafter_cms Transmission of

Patch now

CVE-2021-23263 is in the CISA known-exploited catalog. Confirm craftercms crafter_cms Transmission of 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 (craftercms crafter_cms Transmission of).
  • 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
1.70%
Remediation
Remediation guidance
Affected products
vendor craftercms crafter_cms

Unauthenticated remote attackers can read textual content via FreeMarker including files /scripts/*, /templates/* and some of the files in /.git/* (non-binary).

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 craftercms crafter_cmsversion unspecified

How to fix CVE-2021-23263

What to do

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

Should you patch?

CVE-2021-23263 is in the CISA known-exploited catalog. Confirm craftercms crafter_cms Transmission of 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 1.70%. 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. Feb 27, 2025 · VulnCheck KEV

    Detected

    Unauthenticated remote attackers can read textual content via FreeMarker including files /scripts/*, /templates/* and some of the files in /.git/* (non-binary).

  2. Feb 27, 2025 · 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-2021-23263

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2021-23263

    30-day exploitation probability 1.7%

    first.org
  • VulnCheck KEVConfirmed exploitationCVE-2021-23263

    Unauthenticated remote attackers can read textual content via FreeMarker including files /scripts/*, /templates/* and some of the files in /.git/* (non-binary).

    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.