CVE-2021-35413
A remote code execution (RCE) vulnerability in course_intro_pdf_import.php of Chamilo LMS v1.11.x...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2021-35413- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.0 Medium
AV:N/AC:M/Au:S/C:P/I:P/A:P - Weakness
- CWE-862
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2021-35413- Updated
- 2026-11-02
EUVDEUVD-2021-22056 No score
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.
- Record
EUVD-2021-22056- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-9r2h-rc6j-37jj
A remote code execution (RCE) vulnerability in course_intro_pdf_import.php of Chamilo LMS v1.11.x...
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.
- Record
GHSA-9r2h-rc6j-37jj- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-94
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2021-35413- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-35413 is a high vulnerability (CVSS 8.8) in Chamilo Lms, published December 3, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.59%, the 85th percentile. No source names a fixed version.
References
github.com/andrejspuler/writeups/tree/main/chamilo-lms
support.chamilo.org/projects/1/wiki/Security_issues
nvd.nist.gov/vuln/detail/CVE-2021-35413