CVE-2020-12848

Name: CVE-2020-12848
Creator: NVD / NIST
Published: 2020-06-05T13:15:10.617+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 1.10%

Last modified Jun 17, 2026

CVE-2020-12848 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. 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. EPSS estimates a 1.10% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

5.4/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

EPSS Probability

1.10%

61.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-287

Affected Software

Vendor	Product	Versions
Pydio	Cells	2.0.4

References

http://packetstormsecurity.com/files/158002/Pydio-Cells-2.0.4-XSS-File-Write-Code-Execution.htmlThird Party Advisory
https://www.coresecurity.com/advisoriesThird Party Advisory
https://www.coresecurity.com/core-labs/advisories/pydio-cells-204-multiple-vulnerabilitiesExploit, Third Party Advisory
http://packetstormsecurity.com/files/158002/Pydio-Cells-2.0.4-XSS-File-Write-Code-Execution.htmlThird Party Advisory
https://www.coresecurity.com/advisoriesThird Party Advisory
https://www.coresecurity.com/core-labs/advisories/pydio-cells-204-multiple-vulnerabilitiesExploit, Third Party Advisory

Timeline

Published: Jun 5, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-12848?

How severe is CVE-2020-12848?

CVE-2020-12848 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 1.10% probability of exploitation in the next 30 days.

How do I fix CVE-2020-12848?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-12848?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST