What is CVE-2023-24028?

CVE-2023-24028 is a critical-severity vulnerability in Misp-Project Misp, classified under Improper Access Control. CVSS score: 9.8/10. Published 2023-01-20.

How severe is CVE-2023-24028?

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

Is CVE-2023-24028 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Misp-Project Misp

CVE-2023-24028

In MISP 2.4.167, app/Controller/Component/ACLComponent.php has incorrect access control for the decaying import function.

Published 2023-01-20 · last modified 2026-06-17.

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: 0.007 (51.3th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 51.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Misp-Project Misp — versions 2.4.167

Weakness classification (CWE)

CWE-284 — Improper Access Control

Public proof-of-concept exploits

sixgroup-security/CVE

References

github.com/MISP/MISP/commit/93bf15d3bd703a32ebfe86cb6c1c9b735cf23e30 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2023-24028?: CVE-2023-24028 is a critical-severity vulnerability in Misp-Project Misp, classified under Improper Access Control. CVSS score: 9.8/10. Published 2023-01-20.
How severe is CVE-2023-24028?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2023-24028 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.