GeniXCMS denial of service (account blockage)

published 2017-09-10 9 y ago modified 2026-06-17 4 mo ago also GHSA-2m9r-pm7q-wr6f , EUVD-2022-2011

cvss: 5.3; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.4%; EPSS 1.4% chance of exploitation in 30 days, percentile 73%
public exploits: 0; none known

GeniXCMS before 1.1.0 allows remote attackers to cause a denial of service (account blockage) by leveraging the mishandling of certain username substring relationships, such as the admin<script> username versus the admin username, related to register.php, User.class.php, and Type.class.php.

Patch / fix

fixed in 1 links 2

packagist genix/cms 1.1.0

github.com/semplon/GeniXCMS@e0ad60b commit
github.com/semplon/GeniXCMS/releases/tag/v1.1.0 release

Exploit prediction

1.42% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/semplon/GeniXCMS/issues/78 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.0	5.3	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:N/I:N/A:P
GitHub	3.0	5.3	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected packages

ecosystem	package	affected	fixed in
packagist	genix/cms	<1.1.0	1.1.0

Classification

Weakness

CWE-20 Improper Input Validation

References

github.com /semplon/GeniXCMS/commit/e0ad60b2bb967fa3f63c35b92afe84c5f3b31009
web
github.com /semplon/GeniXCMS/issues/78
web, exploit, third-party-advisory
github.com /semplon/GeniXCMS/releases/tag/v1.1.0
web, release-notes, third-party-advisory
nvd.nist.gov /vuln/detail/CVE-2017-14231
advisory
github.com /GeniXCMS/GeniXCMS
package

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary