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JciCVE-2021-27663

HistoryAug 30, 2021 - 6:15 p.m.

CVE-2021-27663

2021-08-3018:15:08

CWE-285

jci

web.nvd.nist.gov

vulnerability

johnson controls

cem systems

ac2000

remote access

authorization

cve-2021-27663

nvd

CVSS2

9.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.2

Confidence

High

EPSS

0.007

Percentile

80.1%

JSON

A vulnerability in versions 10.1 through 10.5 of Johnson Controls CEM Systems AC2000 allows a remote attacker to access to the system without adequate authorization. This issue affects: Johnson Controls CEM Systems AC2000 10.1; 10.2; 10.3; 10.4; 10.5.

Affected configurations

Nvd

Node

johnsoncontrolsac2000_firmwareRange10.1–10.5

AND

johnsoncontrolsac2000Match-

VendorProductVersionCPE
johnsoncontrolsac2000_firmware*cpe:2.3:o:johnsoncontrols:ac2000_firmware:*:*:*:*:*:*:*:*
johnsoncontrolsac2000-cpe:2.3:h:johnsoncontrols:ac2000:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
johnsoncontrols	ac2000_firmware	*	cpe:2.3:o:johnsoncontrols:ac2000_firmware::::::::
johnsoncontrols	ac2000	-	cpe:2.3:h:johnsoncontrols:ac2000:-:::::::*

CNA Affected

[
  {
    "product": "CEM Systems AC2000",
    "vendor": "Johnson Controls",
    "versions": [
      {
        "lessThanOrEqual": "10.5",
        "status": "affected",
        "version": "10.1",
        "versionType": "custom"
      }
    ]
  }
]

References

us-cert.gov/ics/advisories/ICSA-21-238-01

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

CVSS2

9.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.2

Confidence

High

EPSS

0.007

Percentile

80.1%

JSON

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