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JciCVELIST:CVE-2021-27657

HistoryJun 04, 2021 - 2:07 p.m.

CVE-2021-27657 Metasys Improper Privilege Management

2021-06-0414:07:39

CWE-269

jci

www.cve.org

cve-2021-27657

metasys

privilege vulnerability

johnson controls

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

AI Score

8.7

Confidence

High

EPSS

0.003

Percentile

68.3%

JSON

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.

CNA Affected

[
  {
    "product": "Metasys",
    "vendor": "Johnson Controls",
    "versions": [
      {
        "lessThanOrEqual": "11.0",
        "status": "affected",
        "version": "11.0",
        "versionType": "custom"
      }
    ]
  }
]

References

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

us-cert.gov/ics/advisories

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

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

AI Score

8.7

Confidence

High

EPSS

0.003

Percentile

68.3%

JSON

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