What’s Vulnerable › Vulnerabilities

CVE-2020-12851

• Severity: high (CVSS 8.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-06-04 · updated 2026-06-17
• Weakness: CWE-22

Description

Pydio Cells 2.0.4 allows an authenticated user to write or overwrite existing files in another user’s personal and cells folders (repositories) by uploading a custom generated ZIP file and leveraging the file extraction feature present in the web application. The extracted files will be placed in the targeted user folders.

Affected products

• pydio cells: 2.0.4

References

• http://packetstormsecurity.com/files/158002/Pydio-Cells-2.0.4-XSS-File-Write-Code-Execution.html
• https://www.coresecurity.com/advisories
• https://www.coresecurity.com/core-labs/advisories/pydio-cells-204-multiple-vulnerabilities
• http://packetstormsecurity.com/files/158002/Pydio-Cells-2.0.4-XSS-File-Write-Code-Execution.html
• https://www.coresecurity.com/advisories
• https://www.coresecurity.com/core-labs/advisories/pydio-cells-204-multiple-vulnerabilities

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