CVE-2021-21532

Dell Wyse ThinOS 8.6 MR9 contains remediation for an improper management server validation vulnerability that could be potentially exploited to redirect a client to an attacker-controlled management server, thus allowing the attacker to change the device configuration or certificate file.

CVSS v3 6.3 MEDIUM
CVSS v2.0 5.8 MEDIUM

6.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.4

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

5.8^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 6.5 / Impact : 6.4

Access Vector ADJACENT_NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://www.dell.com/support/kbdoc/en-us/000184665/dsa-2021-069-dell-wyse-thinos-8-6-security-update-for-an-improper-management-server-validation-vulnerabilitydsa-2021-069-dell-wyse-thinos-8-6-security-update-for-an-improper-management-server-validation-	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:dell:wyse_thinos::::::::
	cpe:2.3:o:dell:wyse_thinos:8.6:-::::::

History

No history.

Information

Published : 2021-04-02 22:15

Updated : 2024-02-04 21:47

NVD link : CVE-2021-21532

Mitre link : CVE-2021-21532

CVE.ORG link : CVE-2021-21532

JSON object : View

Products Affected

dell

wyse_thinos

CWE

CWE-20

Improper Input Validation

CWE-16

Configuration

{"id": "CVE-2021-21532", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.8, "accessVector": "ADJACENT_NETWORK", "vectorString": "AV:A/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": 6.5, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.3, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 3.4, "exploitabilityScore": 2.8}, {"type": "Secondary", "source": "security_alert@emc.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.0, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 3.4, "exploitabilityScore": 1.6}]}, "published": "2021-04-02T22:15:13.410", "references": [{"url": "https://www.dell.com/support/kbdoc/en-us/000184665/dsa-2021-069-dell-wyse-thinos-8-6-security-update-for-an-improper-management-server-validation-vulnerabilitydsa-2021-069-dell-wyse-thinos-8-6-security-update-for-an-improper-management-server-validation-", "tags": ["Vendor Advisory"], "source": "security_alert@emc.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-20"}]}, {"type": "Secondary", "source": "security_alert@emc.com", "description": [{"lang": "en", "value": "CWE-16"}]}], "descriptions": [{"lang": "en", "value": "Dell Wyse ThinOS 8.6 MR9 contains remediation for an improper management server validation vulnerability that could be potentially exploited to redirect a client to an attacker-controlled management server, thus allowing the attacker to change the device configuration or certificate file."}, {"lang": "es", "value": "Dell Wyse ThinOS versi\u00f3n 8.6, MR9 contiene una correcci\u00f3n para una vulnerabilidad de comprobaci\u00f3n inapropiada del servidor de administraci\u00f3n que podr\u00eda ser potencialmente explotada para redireccionar un cliente a un servidor de administraci\u00f3n controlado por un atacante, permitiendo as\u00ed al atacante cambiar la configuraci\u00f3n del dispositivo o el archivo de certificado."}], "lastModified": "2022-10-24T17:15:14.677", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:dell:wyse_thinos:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C66A561E-BD1D-4C85-926F-72C3AE9C9DFA", "versionEndExcluding": "8.6"}, {"criteria": "cpe:2.3:o:dell:wyse_thinos:8.6:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "12BC0303-75FE-475C-B1E7-C526F4B15987"}], "operator": "OR"}]}], "sourceIdentifier": "security_alert@emc.com"}