What is CVE-2021-20842?

CVE-2021-20842 is a medium-severity vulnerability in Ec-Cube, classified under Cross-Site Request Forgery (CSRF). CVSS score: 6.5/10. Published 2021-11-24.

How severe is CVE-2021-20842?

Medium severity. CVSS v3 base score is 6.5 out of 10.

CSRF in Ec-Cube

CVE-2021-20842

Cross-site request forgery (CSRF) vulnerability in EC-CUBE 2 series 2.11.0 to 2.17.1 allows a remote attacker to hijack the authentication of Administrator and delete Administrator via a specially crafted web page.

Vulnerability class: CSRF (Cross-Site Request Forgery)

EPSS: 0.005 (41.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.

Affected products

Ec-cube
Ec-cube Co.,ltd. 2 Series — versions 2.11.0 to 2.17.1

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)

References

vultures@jpcert.or.jp (Exploit, Patch, x_refsource_MISC, Vendor Advisory)
vultures@jpcert.or.jp (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-20842?: CVE-2021-20842 is a medium-severity vulnerability in Ec-Cube, classified under Cross-Site Request Forgery (CSRF). CVSS score: 6.5/10. Published 2021-11-24.
How severe is CVE-2021-20842?: Medium severity. CVSS v3 base score is 6.5 out of 10.