CVE-2021-22733

Improper Privilege Management vulnerability exists in homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior which could cause shell access when unauthorized code is loaded into the system folder.

CVSS v3 7.8 HIGH
CVSS v2.0 4.6 MEDIUM

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

4.6^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 3.9 / Impact : 6.4

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-130-04	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:schneider-electric:spacelynk_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:schneider-electric:spacelynk:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:schneider-electric:homelynk_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:schneider-electric:homelynk:-:*:*:*:*:*:*:*

History

04 Jun 2021, 14:06

Type	Values Removed	Values Added
CPE		cpe:2.3:h:schneider-electric:homelynk:-:::::::* cpe:2.3:o:schneider-electric:spacelynk_firmware:::::::: cpe:2.3:o:schneider-electric:homelynk_firmware:::::::: cpe:2.3:h:schneider-electric:spacelynk:-:::::::*
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 4.6 v3 : 7.8
References	~~(MISC) https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-130-04 -~~	(MISC) https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-130-04 - Vendor Advisory

26 May 2021, 20:49

Type	Values Removed	Values Added
CWE		CWE-269

26 May 2021, 20:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-05-26 20:15

Updated : 2024-02-04 21:47

NVD link : CVE-2021-22733

Mitre link : CVE-2021-22733

CVE.ORG link : CVE-2021-22733

JSON object : View

Products Affected

schneider-electric

homelynk_firmware
homelynk
spacelynk_firmware
spacelynk

CWE

CWE-269

Improper Privilege Management

{"id": "CVE-2021-22733", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.6, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2021-05-26T20:15:08.997", "references": [{"url": "https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-130-04", "tags": ["Vendor Advisory"], "source": "cybersecurity@se.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "cybersecurity@se.com", "description": [{"lang": "en", "value": "CWE-269"}]}], "descriptions": [{"lang": "en", "value": "Improper Privilege Management vulnerability exists in homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior which could cause shell access when unauthorized code is loaded into the system folder."}, {"lang": "es", "value": "Se presenta una vulnerabilidad de Administraci\u00f3n de Privilegios Inapropiado en homeLYnk (Wiser para KNX) y spaceLYnk versiones V2.60 y anteriores, que podr\u00eda causar un acceso al shell cuando un c\u00f3digo no autorizado es cargado en la carpeta del sistema"}], "lastModified": "2021-06-04T14:06:49.080", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:schneider-electric:spacelynk_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "317276F1-1B80-4CBC-92A0-8F1E7561FA16", "versionEndIncluding": "2.6.0"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:schneider-electric:spacelynk:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "F7B2FBBD-C461-47EF-A912-E445C063DED9"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:schneider-electric:homelynk_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5E04856B-1BBF-4E36-BB26-4E03F603F645", "versionEndIncluding": "2.6.0"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:schneider-electric:homelynk:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "E5369C17-DEC4-4B14-ACFB-6CCCB6C04F1D"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cybersecurity@se.com"}