Back
CVE-2018-1999019
CRITICAL
Chamilo LMS version 11.x contains an Unserialization vulnerability in the "hash" GET parameter for the api endpoint located at /webservices/api/v2.php that can result in Unauthenticated remote code execution. This attack appear to be exploitable via a simple GET request to the api endpoint. This vulnerability appears to have been fixed in After commit 0de84700648f098c1fbf6b807dee28ec640efe62.
Published: Jul 23, 2018
Modified: Jun 17, 2026
CWE-94
CVSS Metrics
CVSSv3
Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products (20)
| Vendor | Product | Version |
|---|---|---|
| chamilo | chamilo_lms | 1.11.0 |
| chamilo | chamilo_lms | 1.11.0 |
| chamilo | chamilo_lms | 1.11.0 |
| chamilo | chamilo_lms | 1.11.0 |
| chamilo | chamilo_lms | 1.11.0 |
| chamilo | chamilo_lms | 1.11.0 |
| chamilo | chamilo_lms | 1.11.0 |
| chamilo | chamilo_lms | 1.11.0 |
| chamilo | chamilo_lms | 1.11.0 |
| chamilo | chamilo_lms | 1.11.0 |
| chamilo | chamilo_lms | 1.11.2 |
| chamilo | chamilo_lms | 1.11.4 |
| chamilo | chamilo_lms | 1.11.4 |
| chamilo | chamilo_lms | 1.11.4 |
| chamilo | chamilo_lms | 1.11.4 |
| chamilo | chamilo_lms | 1.11.4 |
| chamilo | chamilo_lms | 1.11.6 |
| chamilo | chamilo_lms | 1.11.6 |
| chamilo | chamilo_lms | 1.11.8 |
| chamilo | chamilo_lms | 1.11.8 |
GitHub Security Advisory GHSA-g5qj-4p4v-2jhc
Chamilo LMS version 11.x contains an Unserialization vulnerability in the "hash" GET parameter...
References (4)
- https://github.com/chamilo/chamilo-lms/commit/0de84700648f098c1fbf6b807dee28ec640efe62 Patch, Third Party Advisory
- https://ibb.co/jBxe6y Mailing List, Third Party Advisory
- https://github.com/chamilo/chamilo-lms/commit/0de84700648f098c1fbf6b807dee28ec640efe62 Patch, Third Party Advisory
- https://ibb.co/jBxe6y Mailing List, Third Party Advisory
Risk Scores
CVSS Score
9.8 / 10
EPSS Score
3.41%
Top 12% most likely to be exploited
Threat Score
40.2 / 100
Data Sources
NVD
EPSS
GitHub