UpHeron
All vulnerabilities

Servers and applications

CVE-2021-27908

Secret data exfiltration via symfony parameters

Severity
Medium 4.4
Published
22 Mar 2021
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
3.3.2
Also known as
GHSA-4hjq-422q-4vpx
Sources
NVD, Project advisories (GitHub)

Description

In all versions prior to Mautic 3.3.2, secret parameters such as database credentials could be exposed publicly by an authorized admin user through leveraging Symfony parameter syntax in any of the free text fields in Mautic’s configuration that are used in publicly facing parts of the application.

Affected software

SoftwareAffected versions
MauticServers and applications · cpe:a:acquia:mautic
  • Every version before 3.3.2
MauticServers and applications · github:mautic/mautic
  • Every version before 3.3.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-27908
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-27908
  • GitHub Advisory Database https://github.com/advisories/GHSA-4hjq-422q-4vpx
  • github.com https://github.com/mautic/mautic/security/advisories/GHSA-4hjq-422q-4vpx