What’s Vulnerable › Vulnerabilities

CVE-2023-34958

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-06-08 · updated 2026-06-17
• Weakness: CWE-863

Description

Incorrect access control in Chamilo 1.11.* up to 1.11.18 allows a student subscribed to a given course to download documents belonging to another student if they know the document's ID.

Affected products

• chamilo-lms: from 1.11.0 through 1.11.18

References

• https://github.com/chamilo/chamilo-lms/commit/0c1c29db18856a6f25e21d0405dda2c20b35ff3a
• https://support.chamilo.org/projects/1/wiki/Security_issues#Issue-109-2023-04-15-Moderate-impact-Moderate-risk-IDOR-in-workstudent-publication
• https://github.com/chamilo/chamilo-lms/commit/0c1c29db18856a6f25e21d0405dda2c20b35ff3a
• https://support.chamilo.org/projects/1/wiki/Security_issues#Issue-109-2023-04-15-Moderate-impact-Moderate-risk-IDOR-in-workstudent-publication

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