What is CVE-2020-20796?

CVE-2020-20796 is a critical-severity vulnerability in Flamecms Project, classified under SQL Injection. CVSS score: 9.8/10. Published 2021-09-30.

How severe is CVE-2020-20796?

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

SQL Injection in Flamecms Project

CVE-2020-20796

FlameCMS 3.3.5 contains a SQL injection vulnerability in /master/article.php via the "Id" parameter.

Vulnerability class: SQL Injection

Published 2021-09-30 · 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: 0.010 (61.1th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 61.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Flamecms Project — versions 3.3.5

Weakness classification (CWE)

CWE-89 — SQL Injection

References

github.com/FlameNET/FlameCMS/issues/24 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2020-20796?: CVE-2020-20796 is a critical-severity vulnerability in Flamecms Project, classified under SQL Injection. CVSS score: 9.8/10. Published 2021-09-30.
How severe is CVE-2020-20796?: Critical severity. CVSS v3 base score is 9.8 out of 10.