What is CVE-2021-3242?

CVE-2021-3242 is a critical-severity vulnerability in Duxcms Project, classified under SQL Injection. CVSS score: 9.8/10. Published 2022-02-16.

How severe is CVE-2021-3242?

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

SQL Injection in Duxcms Project

CVE-2021-3242

DuxCMS v3.1.3 was discovered to contain a SQL injection vulnerability via the component s/tools/SendTpl/index?keyword=.

Vulnerability class: SQL Injection

Published 2022-02-16 · 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 (67.7th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 67.7% 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

Duxcms Project — versions 3.1.3

Weakness classification (CWE)

CWE-89 — SQL Injection

References

www.star123.top/2021/01/16/duxcms3-1-3审计/ (Permissions Required, Third Party Advisory)
github.com/duxphp/DuxCMS3/issues/4 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2021-3242?: CVE-2021-3242 is a critical-severity vulnerability in Duxcms Project, classified under SQL Injection. CVSS score: 9.8/10. Published 2022-02-16.
How severe is CVE-2021-3242?: Critical severity. CVSS v3 base score is 9.8 out of 10.