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CVE-2018-21024

30
FAUCET Score

CVE-2018-21024 describes an arbitrary file upload vulnerability in Centreon Web versions prior to 2.8.27, specifically within the licenseUpload.php component. This critical vulnerability (CVSS 9.8) allows unauthenticated attackers to upload malicious files via a simple POST request, leading to complete compromise of confidentiality, integrity, and availability. While no public exploits (Metasploit, Nuclei, ExploitDB) or active exploitation have been identified, and community discussion is minimal, the high severity and ease of exploitation warrant immediate patching.

Impacted Technologies

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

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.23%
Probability of exploitation in next 30 days
EPSS Percentile
80.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0223 is in the 70th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / centreon/centreon/pull/7085
Third Party Advisory
openwall.com / lists/oss-security/2019/10/08/1
Mailing ListPatchThird Party Advisory
openwall.com / lists/oss-security/2019/10/09/2
Mailing ListPatchThird Party Advisory