CVEvulnerability
CVE-2021-27657
8.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-06-04
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 3.1 ([email protected])
- 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 6.5 MEDIUM — AV:N/AC:L/Au:S/C:P/I:P/A:P
- Weaknesses
- CWE-269
Description
Successful exploitation of this vulnerability could give an authenticated Metasys user an unintended level of access to the server file system, allowing them to access or modify system files by sending specifically crafted web messages to the Metasys system. This issue affects: Johnson Controls Metasys version 11.0 and prior versions.
Affected configurations
• johnsoncontrols metasys (<= 11.0)
Related
Weakness · CWE (1)
- CWE-269 Improper Privilege Management weakness
References
- https://us-cert.cisa.gov/ics/advisories/icsa-21-159-01 Third Party Advisory, US Government Resource
- https://us-cert.gov/ics/advisories Third Party Advisory, US Government Resource
- https://www.johnsoncontrols.com/cyber-solutions/security-advisories Vendor Advisory
- https://us-cert.cisa.gov/ics/advisories/icsa-21-159-01 Third Party Advisory, US Government Resource
- https://us-cert.gov/ics/advisories Third Party Advisory, US Government Resource
- https://www.johnsoncontrols.com/cyber-solutions/security-advisories Vendor Advisory