CVE-2021-37627
Privilege escalation via form generator
Description
### 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](https://github.com/contao/contao/issues/new/choose).
How to fix CVE-2021-37627
To remediate CVE-2021-37627, upgrade the affected package to a fixed version below.
- —upgrade to 4.4.56 or later
- —upgrade to 4.4.56 or later
Is CVE-2021-37627 being exploited?
Low — EPSS is 0.5%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- >= 4.0.0, < 4.4.56
- >= 4.0.0, < 4.4.56
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.0 | CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H |