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Privilege escalation with the form generator

Moderate
leofeyer published GHSA-hq5m-mqmx-fw6m Aug 11, 2021

Package

composer contao/core-bundle (Composer)

Affected versions

<4.11.7

Patched versions

4.4.56, 4.9.18, 4.11.7

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.

Severity

Moderate
4.2
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
High
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N

CVE ID

CVE-2021-37627

Weaknesses

No CWEs

Credits