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CVE-2018-21021

27
FAUCET Score

CVE-2018-21021 is a high-severity SQL injection vulnerability affecting Centreon Web versions prior to 2.8.27, specifically within the img_gantt.php component via the host_id parameter. This flaw allows authenticated attackers to remotely execute arbitrary SQL commands, leading to full compromise of confidentiality, integrity, and availability. Despite its critical CVSS score of 8.8, there is no public exploit code available, nor is there evidence of active exploitation or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.8.27CPE matchmatch criteria
cpe:2.3:a:centreon:centreon_web:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.84%
Probability of exploitation in next 30 days
EPSS Percentile
76.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0184 is in the 75th percentile among its peer group of 17,844 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / centreon/centreon/pull/7086
PatchThird Party Advisory
openwall.com / lists/oss-security/2019/10/08/1
Mailing ListThird Party Advisory
openwall.com / lists/oss-security/2019/10/09/2
Mailing ListThird Party Advisory