Cyber Resilience

CVE-2023-36465

Critical

Published: 06 October 2023

Published
06 October 2023
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:L
EPSS Score 0.0007 21.5th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-36465 is a critical-severity Improper Access Control (CWE-284) vulnerability in Decidim Decidim. Its CVSS base score is 9.1 (Critical).

Operationally, ranked at the 21.5th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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…

more

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.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

decidim
decidim
≤ 0.26.8 · 0.27.0 — 0.27.4

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-284 CWE-732

The access control policy and procedures directly mandate and enforce proper access control mechanisms across the organization.

addresses: CWE-284 CWE-732

Associating and retaining security attributes with data directly supports enforcement of access control decisions across storage, processing, and transmission.

addresses: CWE-732 CWE-284

Prevents overly permissive assignments to critical resources by limiting to task needs.

addresses: CWE-284 CWE-732

The awareness and training policy mandates training on access control practices, directly reducing the likelihood of improper access control weaknesses being introduced or exploited.

addresses: CWE-284 CWE-732

Security training teaches access control policies and enforcement, reducing improper access control implementations.

addresses: CWE-284 CWE-732

The control directly enforces access controls to prevent unauthorized access, modification, or deletion of audit information and tools.

addresses: CWE-284 CWE-732

Control assessments verify that access controls are implemented correctly and operating as intended, detecting improper access control before exploitation.

addresses: CWE-284 CWE-732

Certification requires independent assessment confirming access controls are implemented correctly and effective.

References