What is CVE-2020-15411?

CVE-2020-15411 is a critical-severity vulnerability in Misp. CVSS score: 9.8/10. Published 2020-06-30.

How severe is CVE-2020-15411?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Misp

CVE-2020-15411

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

Published 2020-06-30 · last modified 2026-06-22.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.015 (72.5th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 72.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000

Affected products

Misp — versions 2.4.128
Misp-Project Misp — versions 2.4.128

References

github.com/MISP/MISP/commit/d14ce7de709cdde3ecc9433e38e14c682894e88a (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2020-15411?: CVE-2020-15411 is a critical-severity vulnerability in Misp. CVSS score: 9.8/10. Published 2020-06-30.
How severe is CVE-2020-15411?: Critical severity. CVSS v3 base score is 9.8 out of 10.