What is CVE-2017-14337?

CVE-2017-14337 is a high-severity vulnerability in Misp-Project Misp, classified under Improper Authentication. CVSS score: 8.1/10. Published 2017-09-12.

How severe is CVE-2017-14337?

High severity. CVSS v3 base score is 8.1 out of 10.

Auth bypass in Misp-Project Misp

CVE-2017-14337

When MISP before 2.4.80 is configured with X.509 certificate authentication (CertAuth) in conjunction with a non-MISP external user management ReST API, if an external user provides X.509 certificate authentication and this API returns an empty value, the unauthenticated user can be granted access as an arbitrary user.

Vulnerability class: Broken Authentication

Published 2017-09-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.009 (59.2th percentile), scored 2026-10-07.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 59.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Misp-Project Misp

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

github.com/MISP/MISP/commit/be111a470204a974c50682054c9c7d4b94396ed9 (Third Party Advisory)
www.circl.lu/advisory/CVE-2017-14337/ (Third Party Advisory)

Frequently asked questions

What is CVE-2017-14337?: CVE-2017-14337 is a high-severity vulnerability in Misp-Project Misp, classified under Improper Authentication. CVSS score: 8.1/10. Published 2017-09-12.
How severe is CVE-2017-14337?: High severity. CVSS v3 base score is 8.1 out of 10.