CVE-2018-19654
An issue was discovered in Sales & Company Management System (SCMS) through 2018-06-06. There is...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2018-19654- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:P/A:N - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2018-19654- Updated
- 2026-11-02
EUVDEUVD-2018-11338 No score
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.
- Record
EUVD-2018-11338- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-pj3r-6hh7-8pcg
An issue was discovered in Sales & Company Management System (SCMS) through 2018-06-06. There is...
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.
- Record
GHSA-pj3r-6hh7-8pcg- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-19654 is a high vulnerability (CVSS 7.5) in Sales \& Company Management System Project \& Company Management System, published November 29, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.92%, the 60th percentile. No source names a fixed version.