In Pydio Cells 2.0.4, once an authenticated user shares a file selecting the create a…
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-287.
Summary
In Pydio Cells 2.0.4, once an authenticated user shares a file selecting the create a public link option, a hidden shared user account is created in the backend with a random username. An anonymous user that obtains a valid public link can get the associated hidden account username and password and proceed to login to the web application. Once logged into the web application with the hidden user account, some actions that were not available with the public share link can now be performed.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-12848
- 2026-10-03 Alias added: GHSA-w35p-28wq-4wph
References
More pydio Cells vulnerabilities
- TI-2023-16015 Pydio Cells allows users by default to create so-called external users in order to share… CVSS 3.1HIGH 8.8
- TI-2023-16016 Pydio Cells through 4.1.2 allows SSRF. CVSS 3.1MEDIUM 6.5
- TI-2023-16017 Pydio Cells through 4.1.2 allows XSS. CVSS 3.1MEDIUM 5.4
- TI-2019-09658 Pydio Cells before 1.5.0 fails to neutralize '../' elements, allowing an attacker with… CVSS 3.0HIGH 8.8
- TI-2020-10216 Pydio Cells 2.0.4 allows an authenticated user to write or overwrite existing files in… CVSS 3.1HIGH 8.1
- TI-2020-10217 The update feature for Pydio Cells 2.0.4 allows an administrator user to set a custom… CVSS 3.1MEDIUM 6.8
Sources
- CVE-2020-12848 · CVE Program
- CVE-2020-12848 · NVD
- FIRST EPSS
- GHSA-w35p-28wq-4wph · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences