CVE-2020-21653
CVSS v3
9.1
CRITICAL
EPSS Score
1.2 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
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.
Technical details
- Published
- 2021-10-06
Frequently asked questions
What is CVE-2020-21653?
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.
Is CVE-2020-21653 actively exploited?
Active exploitation of CVE-2020-21653 has not been confirmed. Its EPSS score was 1.2% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2020-21653?
CVE-2020-21653 has a CVSS v3 base score of 9.1 (CRITICAL severity).
Is CVE-2020-21653 affecting your environment?
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