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Servers and applications

CVE-2018-1999019

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
Critical 9.8
Published
23 Jul 2018
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
3.2% in the next 30 daysHigher than 88% of CVEs. EPSS by FIRST, 10 Nov 2026
Weakness
Code injection (CWE-94)
Attack
Over the network · No login needed · No user action needed
Attacker can
Read data · Change data · Take it down
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Sources
NVD

Affected software

SoftwareAffected versions
Chamilo LMSServers and applications · cpe:a:chamilo:chamilo_lms
  • Version 1.11.8
  • Version 1.11.8-rc1
  • Version 1.11.6
  • Version 1.11.6-alpha1
All 20 release lines
  • Version 1.11.0-alpha2
  • Version 1.11.0-beta1
  • Version 1.11.0-beta2
  • Version 1.11.0-beta3
  • Version 1.11.0-beta4
  • Version 1.11.0-beta5
  • Version 1.11.0-beta6
  • Version 1.11.0-beta7
  • Version 1.11.0-rc1
  • Version 1.11.0
  • Version 1.11.2
  • Version 1.11.4-alpha1
  • Version 1.11.4-alpha2
  • Version 1.11.4-beta1
  • Version 1.11.4-rc1
  • Version 1.11.4
  • Version 1.11.6-alpha1
  • Version 1.11.6
  • Version 1.11.8-rc1
  • Version 1.11.8

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2018-1999019
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2018-1999019