CVE-2021-21595

Dell EMC PowerScale OneFS versions 8.2.x - 9.1.1.x contain an improper neutralization of special elements used in an OS command. This vulnerability could allow the compadmin user to elevate privileges. This only impacts Smartlock WORM compliance mode clusters as a critical vulnerability and Dell recommends to update/upgrade at the earliest opportunity.

CVSS v3 6.7 MEDIUM
CVSS v2.0 4.6 MEDIUM

6.7^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 0.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required HIGH

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://www.dell.com/support/kbdoc/000190408	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:dell:emc_powerscale_onefs::::::::
	cpe:2.3:o:dell:emc_powerscale_onefs:8.2.2:::::::*

History

No history.

Information

Published : 2021-08-16 22:15

Updated : 2024-02-28 18:28

NVD link : CVE-2021-21595

Mitre link : CVE-2021-21595

CVE.ORG link : CVE-2021-21595

JSON object : View

Products Affected

dell

emc_powerscale_onefs

CWE

CWE-77

Improper Neutralization of Special Elements used in a Command ('Command Injection')

{"id": "CVE-2021-21595", "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": 6.7, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 0.8}, {"type": "Secondary", "source": "security_alert@emc.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.0, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "NONE"}, "impactScore": 5.2, "exploitabilityScore": 0.8}]}, "published": "2021-08-16T22:15:07.490", "references": [{"url": "https://www.dell.com/support/kbdoc/000190408", "tags": ["Patch", "Vendor Advisory"], "source": "security_alert@emc.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-77"}]}, {"type": "Secondary", "source": "security_alert@emc.com", "description": [{"lang": "en", "value": "CWE-77"}]}], "descriptions": [{"lang": "en", "value": "Dell EMC PowerScale OneFS versions 8.2.x - 9.1.1.x contain an improper neutralization of special elements used in an OS command. This vulnerability could allow the compadmin user to elevate privileges. This only impacts Smartlock WORM compliance mode clusters as a critical vulnerability and Dell recommends to update/upgrade at the earliest opportunity."}, {"lang": "es", "value": "Dell EMC PowerScale OneFS versiones 8.2.x - 9.1.1.x, contienen una neutralizaci\u00f3n inapropiada de los elementos especiales usados en un comando del Sistema Operativo. Esta vulnerabilidad podr\u00eda permitir al usuario compadmin elevar sus privilegios. Esto s\u00f3lo afecta a los cl\u00fasteres en modo de cumplimiento Smartlock WORM como una vulnerabilidad cr\u00edtica y Dell recomienda actualizar/mejorar a la mayor brevedad posible."}], "lastModified": "2021-08-25T00:43:50.323", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:dell:emc_powerscale_onefs:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3FA1981C-C851-4154-B0DC-E4D0C8FF719C", "versionEndExcluding": "9.2.0", "versionStartIncluding": "9.0.0.0"}, {"criteria": "cpe:2.3:o:dell:emc_powerscale_onefs:8.2.2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FF89B320-6D5A-4E46-A1FA-FCDB31F325C4"}], "operator": "OR"}]}], "sourceIdentifier": "security_alert@emc.com"}