What is CVE-2018-21023?

CVE-2018-21023 is a high-severity vulnerability in Centreon Web, classified under Code Injection. CVSS score: 8.8/10. Published 2019-10-08.

How severe is CVE-2018-21023?

High severity. CVSS v3 base score is 8.8 out of 10.

RCE in Centreon Web

CVE-2018-21023

getStats.php in Centreon Web before 2.8.28 allows authenticated attackers to execute arbitrary code via the ns_id parameter.

Vulnerability class: RCE (Remote Code Execution)

Published 2019-10-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.030 (86.8th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 86.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.030 · newest: 0.030 · change: 0.000

Affected products

Centreon Web

Weakness classification (CWE)

CWE-94 — Code Injection

References

github.com/centreon/centreon/pull/7083 (Patch, Third Party Advisory)
www.openwall.com/lists/oss-security/2019/10/08/1 (Mailing List, Third Party Advisory)
github.com/centreon/centreon/pull/7271 (Patch, Third Party Advisory)
www.openwall.com/lists/oss-security/2019/10/09/2 (mailing-list, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2018-21023?: CVE-2018-21023 is a high-severity vulnerability in Centreon Web, classified under Code Injection. CVSS score: 8.8/10. Published 2019-10-08.
How severe is CVE-2018-21023?: High severity. CVSS v3 base score is 8.8 out of 10.