Johnsoncontrols Metasys Improper Privilege Management

high Tenable.ot Plugin ID 500440
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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.

Solution

Refer to vendor advisory for Security Updates

See Also

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

Plugin Details

Severity: High

ID: 500440

Version: 1.0

Type: local

Family: SCADA

Published: 8/10/2021

Updated: 8/10/2021

Risk Information

CVSS Score Source: CVE-2021-27657

CVSS v2

Risk Factor: Medium

Base Score: 6.5

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

CVSS v3

Risk Factor: High

Base Score: 8.8

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

Vulnerability Information

CPE: cpe:2.3:a:johnsoncontrols:metasys:*:*:*:*:*:*:*:*

Patch Publication Date: 6/4/2021

Vulnerability Publication Date: 6/4/2021

Reference Information

CVE: CVE-2021-27657