High severity · published Dec 3, 2021
CVE-2021-35413
A remote code execution (RCE) vulnerability in course_intro_pdf_import.php of Chamilo LMS v1.11.x allows authenticated attackers to execute arbitrary code via a crafted .htaccess…
8.8
CVSS
2.6%
EPSS
No
On KEV
Description
A remote code execution (RCE) vulnerability in course_intro_pdf_import.php of Chamilo LMS v1.11.x allows authenticated attackers to execute arbitrary code via a crafted .htaccess file.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.6% · higher than 85% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CL
Chamilo Lms · Chamilo
1.11.0 through 1.11.16 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-35413
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-35413
Exploit
https://github.com/andrejspuler/writeups/tree/main/chamilo-lms#authenticated-remote-code-execution-in-import-file
Patch
https://github.com/chamilo/chamilo-lms/commit/2e5c004b57d551678a1815500ef91524ba7bb757
Patch
https://github.com/chamilo/chamilo-lms/commit/905a21037ebc9bc5369f0fb380177cb56f496f5c
Patch
https://support.chamilo.org/projects/1/wiki/Security_issues#Issue-66-2021-05-21-High-impact-very-low-risk-Authenticated-RCE-in-accessory-script
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