What is CVE-2018-21024?

CVE-2018-21024 is a critical-severity vulnerability in Centreon, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2019-10-08.

How severe is CVE-2018-21024?

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

Arbitrary file upload in Centreon

CVE-2018-21024

licenseUpload.php in Centreon Web before 2.8.27 allows attackers to upload arbitrary files via a POST request.

Vulnerability class: Unrestricted File Upload

Published 2019-10-08 · 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: 0.022 (82.1th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 82.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.022 · newest: 0.022 · change: 0.000

Affected products

Centreon

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

www.openwall.com/lists/oss-security/2019/10/08/1 (Patch, Mailing List, Third Party Advisory)
github.com/centreon/centreon/pull/7085 (Third Party Advisory)
www.openwall.com/lists/oss-security/2019/10/09/2 (mailing-list, Patch, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2018-21024?: CVE-2018-21024 is a critical-severity vulnerability in Centreon, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2019-10-08.
How severe is CVE-2018-21024?: Critical severity. CVSS v3 base score is 9.8 out of 10.