What is CVE-2020-21809?

CVE-2020-21809 is a critical-severity vulnerability in Nukeviet, classified under SQL Injection. CVSS score: 9.8/10. Published 2021-07-30.

How severe is CVE-2020-21809?

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

SQL Injection in Nukeviet

CVE-2020-21809

SQL Injection vulnerability in NukeViet CMS module Shops 4.0.29 and 4.3 via the (1) listid parameter in detail.php and the (2) group_price or groupid parameters in search_result.php.

Vulnerability class: SQL Injection

Published 2021-07-30 · 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: 0.016 (74.5th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 74.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000

Affected products

Nukeviet

Weakness classification (CWE)

CWE-89 — SQL Injection

References

nukeviet.vn/vi/news/Tin-an-ninh/huong-dan-fix-loi-bao-mat-nukeviet-4-va-module-… (Patch, Vendor Advisory)
whitehub.net/submissions/1517 (Exploit, Third Party Advisory, Issue Tracking)
whitehub.net/submissions/1518 (Exploit, Third Party Advisory, Issue Tracking)
github.com/nukeviet/module-shops/commit/742c0e0f74364f7250c2a69f0a957d4e6317be68 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2020-21809?: CVE-2020-21809 is a critical-severity vulnerability in Nukeviet, classified under SQL Injection. CVSS score: 9.8/10. Published 2021-07-30.
How severe is CVE-2020-21809?: Critical severity. CVSS v3 base score is 9.8 out of 10.