CVE-2018-19654

Name: CVE-2018-19654
Creator: NVD / NIST
Published: 2018-11-29T05:29:00.753+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.92%

Last modified Jun 17, 2026

CVE-2018-19654 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An issue was discovered in Sales & Company Management System (SCMS) through 2018-06-06. There is a discrepancy in username checking between a component that does string validation, and a component that is supposed to query a MySQL database. EPSS estimates a 0.92% chance of exploitation in the next 30 days.

Description

An issue was discovered in Sales & Company Management System (SCMS) through 2018-06-06. There is a discrepancy in username checking between a component that does string validation, and a component that is supposed to query a MySQL database. Thus, it is possible to register a new account with a duplicate username, as demonstrated by use of the test%c2 string when a test account already exists.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

0.92%

55.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Sales \& Company Management System Project	Sales \& Company Management System	<= 2018-06-06

References

https://github.com/Venan24/SCMS/issues/1Exploit, Third Party Advisory
https://github.com/Venan24/SCMS/issues/1Exploit, Third Party Advisory

Timeline

Published: Nov 29, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-19654?

How severe is CVE-2018-19654?

CVE-2018-19654 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.92% probability of exploitation in the next 30 days.

How do I fix CVE-2018-19654?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-19654?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST