CVE-2021-43589 : Dell EMC Unity, Dell EMC UnityVSA and Dell EMC Unity XT versions prior to 5.1.2.

Dell EMC Unity, Dell EMC UnityVSA and Dell EMC Unity XT versions prior to 5.1.2.0.5.007 contain an operating system (OS) command injection Vulnerability. A locally authenticated user with high privileges may potentially exploit this vulnerability, leading to the execution of arbitrary OS commands on the Unity underlying OS, with the privileges of the vulnerable application. Exploitation may lead to an elevation of privilege.

Published 2022-01-24 20:15:08

Updated 2022-01-28 17:52:51

Source Dell

View at NVD, CVE.org

Vulnerability category: Gain privilege

Products affected by CVE-2021-43589

Dell » Emc Unity Operating Environment
Versions before (<) 5.1.2.0.5.007
cpe:2.3:a:dell:emc_unity_operating_environment:*:*:*:*:*:*:*:*
Matching versions
Dell » Emc Unityvsa Operating Environment
Versions before (<) 5.1.2.0.5.007
cpe:2.3:a:dell:emc_unityvsa_operating_environment:*:*:*:*:*:*:*:*
Matching versions
Dell » Emc Unity Xt Operating Environment
Versions before (<) 5.1.2.0.5.007
cpe:2.3:a:dell:emc_unity_xt_operating_environment:*:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2021-43589

EPSS FAQ

0.04%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 11 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-43589

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.2	HIGH	AV:L/AC:L/Au:N/C:C/I:C/A:C	3.9	10.0	NIST
Access Vector: Local Access Complexity: Low Authentication: None Confidentiality Impact: Complete Integrity Impact: Complete Availability Impact: Complete
6.7	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H	0.8	5.9	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: High User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High
6.0	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H	0.8	5.2	Dell
Attack Vector: Local Attack Complexity: Low Privileges Required: High User Interaction: None Scope: Unchanged Confidentiality: None Integrity: High Availability: High

CWE ids for CVE-2021-43589

CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection')

The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.

Assigned by: security_alert@emc.com (Secondary)
CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-43589

https://www.dell.com/support/kbdoc/en-us/000194836/dsa-2021-271-dell-emc-unity-dell-emc-unity-vsa-and-dell-emc-unity-xt-security-update-for-multiple-vulnerabilities

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Vendor Advisory

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Vulnerability Details : CVE-2021-43589

Products affected by CVE-2021-43589

Exploit prediction scoring system (EPSS) score for CVE-2021-43589

CVSS scores for CVE-2021-43589

CWE ids for CVE-2021-43589

References for CVE-2021-43589