CVE Vulnerability

CVE-2021-27657

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.

6.5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

8.8 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link 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
Configurations

Configuration 1

cpe:2.3:a:johnsoncontrols:metasys:*:*:*:*:*:*:*:*
Information

Published : 2021-06-04 03:15

Updated : 2021-12-02 01:55

NVD link : CVE-2021-27657

Mitre link : CVE-2021-27657

Products Affected
No products.
CWE
CWE-269