What’s Vulnerable › Vulnerabilities

CVE-2020-29454

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-12-02 · updated 2026-06-17
• Weakness: CWE-863

Description

Editors/LogViewerController.cs in Umbraco through 8.9.1 allows a user to visit a logviewer endpoint even if they lack Applications.Settings access.

Affected products

• Umbraco-CMS: from 8.0.0 through 8.9.1

References

• https://github.com/umbraco/Umbraco-CMS/pull/9361
• https://github.com/umbraco/Umbraco-CMS/pull/9361

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