Auth bypass in Prestashop

CVE-2020-4074

In PrestaShop from version 1.5.0.0 and before version 1.7.6.6, the authentication system is malformed and an attacker is able to forge requests and execute admin commands. The problem is fixed in 1.7.6.6.

Vulnerability class: Broken Authentication

EPSS: 0.018 (75.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.9 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-4074?
CVE-2020-4074 is a high-severity vulnerability in Prestashop, classified under Improper Authentication. CVSS score: 8.9/10. Published 2020-07-02.
How severe is CVE-2020-4074?
High severity. CVSS v3 base score is 8.9 out of 10.
Is CVE-2020-4074 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.