What is CVE-2020-23360?

CVE-2020-23360 is a critical-severity vulnerability in Oscommerce, classified under Incorrect Comparison. CVSS score: 9.8/10. Published 2021-01-27.

How severe is CVE-2020-23360?

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

Vulnerability in Oscommerce

CVE-2020-23360

oscommerce v2.3.4.1 has a functional problem in user registration and password rechecking, where a non-identical password can bypass the checks in /catalog/admin/administrators.php and /catalog/password_reset.php

Published 2021-01-27 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.012 (67.4th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 67.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Oscommerce — versions 2.3.4.1

Weakness classification (CWE)

CWE-697 — Incorrect Comparison

References

github.com/osCommerce/oscommerce2/issues/658 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2020-23360?: CVE-2020-23360 is a critical-severity vulnerability in Oscommerce, classified under Incorrect Comparison. CVSS score: 9.8/10. Published 2021-01-27.
How severe is CVE-2020-23360?: Critical severity. CVSS v3 base score is 9.8 out of 10.