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
No
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
CH
Chamilo · Chamilo
1.11.0 through 1.11.16 · source: NVD
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
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