CVE-2018-1999019

9.8 criticalEPSS 3.2%

Critical (9.8) in chamilo chamilo lms. EPSS 3.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 3.2% chance of exploitation in the next 30 days; higher than 88% of CVEs (scores of 2026-10-31)
CWE: CWE-94
Published: 2018-07-23
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

chamilo:chamilo_lms

References

https://github.com/chamilo/chamilo-lms/commit/0de84700648f098c1fbf6b807dee28ec640efe62
https://ibb.co/jBxe6y
https://github.com/chamilo/chamilo-lms/commit/0de84700648f098c1fbf6b807dee28ec640efe62
https://ibb.co/jBxe6y

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