Privilege escalation via form generator

高 7.2CVE-2021-37627 · GHSA-hq5m-mqmx-fw6m · 11/08/2021 公開 · 17/06/2026 更新

要点

CVE-2021-37627 は contao/contao, contao/core-bundle, contao (contao) に影響する深刻度「高」 (CVSS 7.2) の脆弱性です。
今後30日間に悪用される確率（EPSS）：1.0%（全脆弱性の 63.5% より高い）。
対処：4.4.56, 4.11.7, 4.9.18 以降に更新してください。

パッケージ	影響を受けるバージョン	修正済みバージョン
contao/contao Packagist	`≥ 4.0.0, < 4.4.56≥ 4.10.0, < 4.11.7≥ 4.5.0, < 4.9.18`	`4.4.564.11.74.9.18`
contao/core-bundle Packagist	`≥ 4.0.0, < 4.4.56≥ 4.10.0, < 4.11.7≥ 4.5.0, < 4.9.18`	`4.4.564.11.74.9.18`
contao contao	`= 4.0.0= 4.1.0= 4.10.0= 4.2.0= 4.3.0= 4.5.0= 4.6.0= 4.7.0= 4.8.0≥ 4.11.0, < 4.11.7≥ 4.4.0, < 4.4.56≥ 4.9.0, < 4.9.18`	`4.11.74.4.564.9.18`

概要

Impact

It is possible for untrusted users to gain administrator rights with the form generator.

Installations are only affected if there are untrusted back end users with access to the form generator.

Patches

Update to Contao 4.4.56, 4.9.18 or 4.11.7.

Workarounds

Disable the form generator or disable the login for untrusted back end users.

References

https://contao.org/en/security-advisories/privilege-escalation-with-the-form-generator

For more information

If you have any questions or comments about this advisory, open an issue in contao/contao.

NVD の説明

Contao is an open source CMS that allows creation of websites and scalable web applications. In affected versions it is possible to gain privileged rights in the Contao back end. Installations are only affected if they have untrusted back end users who have access to the form generator. All users are advised to update to Contao 4.4.56, 4.9.18 or 4.11.7. As a workaround users may disable the form generator or disable the login for untrusted back end users.