CVE-2021-27657

high

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.

References

https://www.johnsoncontrols.com/cyber-solutions/security-advisories

https://us-cert.gov/ics/advisories

https://us-cert.cisa.gov/ics/advisories/icsa-21-159-01

Details

Source: Mitre, NVD

Published: 2021-06-04

Updated: 2021-12-02

Risk Information

CVSS v2

Base Score: 6.5

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High