Auth bypass in Chamilo Lms
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 file.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.026 (84.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 84.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.025 · newest: 0.026 · change: +0.001
Affected products
Weakness classification (CWE)
References
- github.com/andrejspuler/writeups/tree/main/chamilo-lms (Exploit, Patch, Third Party Advisory)
- support.chamilo.org/projects/1/wiki/Security_issues (Patch, Vendor Advisory)
- github.com/chamilo/chamilo-lms/commit/2e5c004b57d551678a1815500ef91524ba7bb757 (Patch, Third Party Advisory)
- github.com/chamilo/chamilo-lms/commit/905a21037ebc9bc5369f0fb380177cb56f496f5c (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-35413?
- CVE-2021-35413 is a high-severity vulnerability in Chamilo Lms, classified under Missing Authorization. CVSS score: 8.8/10. Published 2021-12-03.
- How severe is CVE-2021-35413?
- High severity. CVSS v3 base score is 8.8 out of 10.