High severity · published Apr 15, 2022
CVE-2022-27421
Chamilo LMS v1.11.13 lacks validation on the user modification form, allowing attackers to escalate privileges to Platform Admin
7.2
CVSS
1%
EPSS
No
On KEV
Description
Chamilo LMS v1.11.13 lacks validation on the user modification form, allowing attackers to escalate privileges to Platform Admin.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 62% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CL
Chamilo Lms · Chamilo
through 1.11.14 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-27421
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-27421
Patch
https://support.chamilo.org/projects/1/wiki/Security_issues
More from Chamilo Lms
9.8
CVE-2026-45140
Chamilo LMS CStudio upload flow allows unauthenticated remote code execution
9.8
CVE-2026-33707
Weak Password Recovery Mechanism for Forgotten Password in chamilo/chamilo-lms
9.8
CVE-2026-33698
Chamilo LMS affected by unauthenticated RCE in main/install folder
9.8
CVE-2026-28430
Chamilo LMS Vulnerable to Unauthenticated SQL Injection in chamiko-lms model.ajax.php
9.8
CVE-2025-52998
Chamilo: PHAR deserialization bypass
