What is CVE-2020-22819?

CVE-2020-22819 is a critical-severity vulnerability in Mkcms Project, classified under SQL Injection. CVSS score: 9.8/10. Published 2022-11-03.

How severe is CVE-2020-22819?

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

Is CVE-2020-22819 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

SQL Injection in Mkcms Project

CVE-2020-22819

MKCMS V6.2 has SQL injection via the /ucenter/active.php verify parameter.

Vulnerability class: SQL Injection

Published 2022-11-03 · 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: 0.009 (57.9th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 57.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: +0.000

Affected products

Mkcms Project — versions 6.2

Weakness classification (CWE)

CWE-89 — SQL Injection

Public proof-of-concept exploits

Live-Hack-CVE/CVE-2020-22819

References

unc1e.blogspot.com/2020/04/mkcms-v62-has-mutilple-vulnerabilities.html (Exploit, Third Party Advisory, Mitigation)

Frequently asked questions

What is CVE-2020-22819?: CVE-2020-22819 is a critical-severity vulnerability in Mkcms Project, classified under SQL Injection. CVSS score: 9.8/10. Published 2022-11-03.
How severe is CVE-2020-22819?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2020-22819 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.