What’s Vulnerable › Vulnerabilities

CVE-2020-9471

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-03-16 · updated 2026-06-17
• Weakness: CWE-434

Description

Umbraco Cloud 8.5.3 allows an authenticated file upload (and consequently Remote Code Execution) via the Install Packages functionality.

Affected products

• Umbraco-CMS: 8.5.3

References

• https://gitlab.com/eLeN3Re/cve-2020-9471
• https://gitlab.com/eLeN3Re/cve-2020-9471

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