What’s Vulnerable › Vulnerabilities

CVE-2020-36249

• Severity: high (CVSS 7.5 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: 2021-02-19 · updated 2026-06-17

Description

The File Firewall before 2.8.0 for ownCloud Server does not properly enforce file-type restrictions for public shares.

Affected products

• owncloud File Firewall: before 2.8.0 — fixed in 2.8.0

How to fix

Upgrade to a fixed version: owncloud File Firewall 2.8.0. Check the vendor advisory for mitigations.

References

• https://owncloud.com/security-advisories/bypassing-file-firewall-oc-sa-2020-002/
• https://owncloud.com/security-advisories/bypassing-file-firewall-oc-sa-2020-002/

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