CVE-2021-32925: admin/user_import.php in Chamilo 1.11.x reads XML data without disabling the ability to load external entities

Medium severity · published May 13, 2021

CVE-2021-32925

admin/user_import.php in Chamilo 1.11.x reads XML data without disabling the ability to load external entities

6.5

CVSS

1.7%

EPSS

On KEV

Description

admin/user_import.php in Chamilo 1.11.x reads XML data without disabling the ability to load external entities.

CVSS vector

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

Attack vector

Network

Complexity

Low

Privileges

High

User interaction

None

Confidentiality

High

Integrity

None

Availability

High

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)1.7% · higher than 77% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Chamilo · Chamilo

1.11.0 through 1.11.16 · source: NVD

Affected product

Chamilo

All Chamilo CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2021-32925

CVE.org

https://www.cve.org/CVERecord?id=CVE-2021-32925

Exploit

https://github.com/andrejspuler/writeups/blob/main/chamilo-lms/README.md#authenticated-rcelfi-in-user-import-via-xml-external-entity---cve-2021-32925

Patch

https://github.com/chamilo/chamilo-lms/commit/e71437c8de809044ba3ae1b181d70857c050a3e9

Third Party Advisory

https://support.chamilo.org/projects/1/wiki/Security_issues#Issue-58-2021-05-12-High-impact-very-low-risk-LFIRCE-vulnerability-in-users-import

Third Party Advisory

https://www.php.net/manual/en/function.libxml-disable-entity-loader.php