---
id: CVE-2020-15411
title: An issue was discovered in MISP 2.4.128
summary: >-
  An issue was discovered in MISP 2.4.128.
  app/Controller/AttributesController.php has insufficient ACL checks in the
  attachment downloader.
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
vendor: misp-project
product: misp
affected:
  - misp = 2.4.128
published: '2020-06-30'
updated: '2026-06-22'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2020-15411'
references:
  - url: >-
      https://github.com/MISP/MISP/commit/d14ce7de709cdde3ecc9433e38e14c682894e88a
    label: cve@mitre.org
  - url: >-
      https://github.com/MISP/MISP/commit/d14ce7de709cdde3ecc9433e38e14c682894e88a
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
epss: 0.01461
epssPercentile: 0.72433
ingestedAt: '2026-06-29T13:24:33.460Z'
---

## Overview

An issue was discovered in MISP 2.4.128. app/Controller/AttributesController.php has insufficient ACL checks in the attachment downloader.

## Affected

- `misp = 2.4.128`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.