How severe is CVE-2018-19654?

CVE-2018-19654 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2018-19654 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-19654?

CVE-2018-19654 affects Sales & Company Management System Project Sales & Company Management System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-19654?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-19654 published?

CVE-2018-19654 was published on 2018-11-29 and last updated on 2026-06-17.

CVE-2018-19654

CVE-2018-19654 is a high-severity vulnerability in Sales & Company Management System Project Sales & Company Management System with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Sales & Company Management System Project Sales & Company Management System
Published: 2018-11-29
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2018-19654?: 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.
How severe is CVE-2018-19654?: CVE-2018-19654 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2018-19654 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-19654?: CVE-2018-19654 affects Sales & Company Management System Project Sales & Company Management System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-19654?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-19654 published?: CVE-2018-19654 was published on 2018-11-29 and last updated on 2026-06-17.

References

https://github.com/Venan24/SCMS/issues/1

Affected products (1)

cpe:2.3:a:sales_\&_company_management_system_project:sales_\&_company_management_system:*:*:*:*:*:*:*:*

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