What’s Vulnerable › Vulnerabilities

CVE-2020-21653

• Severity: critical (CVSS 9.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-10-06 · updated 2026-06-17
• Weakness: CWE-918

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.

Affected products

• Myucms Project Myucms: 2.2

References

• https://github.com/lolipop1234/XXD/issues/5
• https://github.com/lolipop1234/XXD/issues/5

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