CVE-2020-21653

9.1 criticalEPSS 1.2%

Critical (9.1) in myucms project myucms. EPSS 1.2% chance of exploitation in the next 30 days.

Myucms v2.2.1 contains a server-side request forgery (SSRF) in the component \controller\index.php, which can be exploited via the sj() method.

Severity

9.1 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS: 1.2% chance of exploitation in the next 30 days; higher than 68% of CVEs (scores of 2026-10-31)
CWE: CWE-918
Published: 2021-10-06
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19