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CVE-2018-21037

28
FAUCET Score

CVE-2018-21037 describes a Cross-Site Request Forgery (CSRF) vulnerability in Subrion CMS version 4.1.5 and potentially earlier versions. This high-severity vulnerability (CVSS 8.8) allows an unauthenticated attacker to change an administrator's password, leading to full compromise of the affected system. While no public exploit code or active exploitation has been observed, and community discussion is minimal, the potential impact of complete system compromise warrants attention.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.1.5CPE matchmatch criteria
cpe:2.3:a:intelliants:subrion:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
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
0.51%
Probability of exploitation in next 30 days
EPSS Percentile
40.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0051 is in the 42nd percentile among its peer group of 14,875 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 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 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

composerpatch availablevia ghsa
Product: intelliants/subrionFixed in: 4.2.1

Vendor Advisories (1)

composerGHSA-g8j7-w673-4mjphigh

Subrion CMS CSRF Vulnerability

May 24, 2022

References

github.com / intelliants/subrion/issues/638
ExploitThird Party Advisory