What is CVE-2020-37168?

CVE-2020-37168 is a critical-severity vulnerability in Paiement Ecommerce Systempay, classified under Use of Weak Hash. CVSS score: 9.8/10. Published 2026-05-13.

How severe is CVE-2020-37168?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Paiement Ecommerce Systempay

CVE-2020-37168

Ecommerce Systempay 1.0 contains a weak cryptographic implementation vulnerability that allows attackers to brute force the 16-character production secret key used for payment signature generation. Attackers can extract payment form data a…

EPSS: 0.000 (6.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Paiement Ecommerce Systempay — versions 1.0

Weakness classification (CWE)

CWE-328 — Use of Weak Hash

References

disclosure@vulncheck.com (exploit)
disclosure@vulncheck.com (product)
disclosure@vulncheck.com (product)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2020-37168?: CVE-2020-37168 is a critical-severity vulnerability in Paiement Ecommerce Systempay, classified under Use of Weak Hash. CVSS score: 9.8/10. Published 2026-05-13.
How severe is CVE-2020-37168?: Critical severity. CVSS v3 base score is 9.8 out of 10.