CVE-2021-27663

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.

CVSS v3 8.2 HIGH
CVSS v2.0 9.3 HIGH

8.2^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 4.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

9.3^/10

CVSS v2.0 : HIGH

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

Exploitability : 8.6 / Impact : 10.0

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://us-cert.gov/ics/advisories/ICSA-21-238-01	Third Party Advisory US Government Resource
https://www.johnsoncontrols.com/cyber-solutions/security-advisories	Vendor Advisory
https://us-cert.gov/ics/advisories/ICSA-21-238-01	Third Party Advisory US Government Resource
https://www.johnsoncontrols.com/cyber-solutions/security-advisories	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:johnsoncontrols:ac2000_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:johnsoncontrols:ac2000:-:*:*:*:*:*:*:*

History

21 Nov 2024, 05:58

Type	Values Removed	Values Added
CVSS	v2 : ~~9.3~~ v3 : ~~9.8~~	v2 : 9.3 v3 : 8.2
References	~~() https://us-cert.gov/ics/advisories/ICSA-21-238-01 - Third Party Advisory, US Government Resource~~	() https://us-cert.gov/ics/advisories/ICSA-21-238-01 - Third Party Advisory, US Government Resource
References	~~() https://www.johnsoncontrols.com/cyber-solutions/security-advisories - Vendor Advisory~~	() https://www.johnsoncontrols.com/cyber-solutions/security-advisories - Vendor Advisory

Information

Published : 2021-08-30 18:15

Updated : 2024-11-21 05:58

NVD link : CVE-2021-27663

Mitre link : CVE-2021-27663

CVE.ORG link : CVE-2021-27663

JSON object : View

Products Affected

johnsoncontrols

ac2000
ac2000_firmware

CWE

CWE-285

Improper Authorization

NVD-CWE-Other

{"id": "CVE-2021-27663", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 9.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "MEDIUM", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Secondary", "source": "productsecurity@jci.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.2, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 4.2, "exploitabilityScore": 3.9}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2021-08-30T18:15:08.663", "references": [{"url": "https://us-cert.gov/ics/advisories/ICSA-21-238-01", "tags": ["Third Party Advisory", "US Government Resource"], "source": "productsecurity@jci.com"}, {"url": "https://www.johnsoncontrols.com/cyber-solutions/security-advisories", "tags": ["Vendor Advisory"], "source": "productsecurity@jci.com"}, {"url": "https://us-cert.gov/ics/advisories/ICSA-21-238-01", "tags": ["Third Party Advisory", "US Government Resource"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.johnsoncontrols.com/cyber-solutions/security-advisories", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "productsecurity@jci.com", "description": [{"lang": "en", "value": "CWE-285"}]}, {"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-Other"}]}], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "Una vulnerabilidad en versiones 10.1 hasta 10.5 de Johnson Controls CEM Systems AC2000, permite a un atacante remoto acceder al sistema sin la autorizaci\u00f3n adecuada. Este problema afecta a: Johnson Controls CEM Systems AC2000 versiones 10.1; 10.2; 10.3; 10.4; 10.5."}], "lastModified": "2024-11-21T05:58:24.147", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:johnsoncontrols:ac2000_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B7990FFE-22BA-482F-92A0-9E3DA64467A6", "versionEndIncluding": "10.5", "versionStartIncluding": "10.1"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:johnsoncontrols:ac2000:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "9B69C423-26B0-480F-BDA7-6836945BD47B"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "productsecurity@jci.com"}