Vulnerability in Decidim

CVE-2023-36465

Decidim is a participatory democracy framework, written in Ruby on Rails, originally developed for the Barcelona City government online and offline participation website. The `templates` module doesn't enforce the correct permissions, allowing any logged-in user to access to this functionality in the administration panel. An attacker could use this vulnerability to change, create or delete templates of surveys. This issue has been patched in version 0.26.8 and 0.27.4.

EPSS: 0.005 (42.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:L.

Affected products

  • Decidim — versions >= 0.23.2, < 0.26.8, >= 0.27.0, < 0.27.4

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-36465?
CVE-2023-36465 is a critical-severity vulnerability in Decidim, classified under Improper Access Control. CVSS score: 9.1/10. Published 2023-10-06.
How severe is CVE-2023-36465?
Critical severity. CVSS v3 base score is 9.1 out of 10.
Is CVE-2023-36465 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.