How severe is CVE-2018-21021?

CVE-2018-21021 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-21021 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-21021?

CVE-2018-21021 affects Centreon Centreon Web. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-21021?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-21021 published?

CVE-2018-21021 was published on 2019-10-08 and last updated on 2026-06-17.

CVE-2018-21021

CVE-2018-21021 is a high-severity vulnerability in Centreon Centreon Web with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-89.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Centreon Centreon Web
Published: 2019-10-08
Last modified: 2026-06-17

Description

img_gantt.php in Centreon Web before 2.8.27 allows attackers to perform SQL injections via the host_id parameter.

Frequently asked questions

What is CVE-2018-21021?: img_gantt.php in Centreon Web before 2.8.27 allows attackers to perform SQL injections via the host_id parameter.
How severe is CVE-2018-21021?: CVE-2018-21021 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-21021 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-21021?: CVE-2018-21021 affects Centreon Centreon Web. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-21021?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-21021 published?: CVE-2018-21021 was published on 2019-10-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:centreon:centreon_web:*:*:*:*:*:*:*:*

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