How severe is CVE-2021-43589?

CVE-2021-43589 has a CVSS 3.x base score of 6.0, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2021-43589 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-43589?

CVE-2021-43589 primarily affects Dell Emc Unity Operating Environment. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-43589?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-43589 published?

CVE-2021-43589 was published on 2022-01-24 and last updated on 2026-06-17.

CVE-2021-43589

CVE-2021-43589 is a medium-severity vulnerability in Dell Emc Unity Operating Environment with a CVSS 3.x base score of 6.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

Severity: Medium (CVSS 3.x base score 6.0)
CVSS v2: 7.2
EPSS exploit prediction: 0% (37th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Dell Emc Unity Operating Environment
Published: 2022-01-24
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2021-43589?: 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.
How severe is CVE-2021-43589?: CVE-2021-43589 has a CVSS 3.x base score of 6.0, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2021-43589 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-43589?: CVE-2021-43589 primarily affects Dell Emc Unity Operating Environment. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-43589?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-43589 published?: CVE-2021-43589 was published on 2022-01-24 and last updated on 2026-06-17.

References

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

Affected products (3)

cpe:2.3:a:dell:emc_unity_operating_environment:*:*:*:*:*:*:*:*
cpe:2.3:a:dell:emc_unity_xt_operating_environment:*:*:*:*:*:*:*:*
cpe:2.3:a:dell:emc_unityvsa_operating_environment:*:*:*:*:*:*:*:*

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