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CVE-2021-43589

22
FAUCET Score

CVE-2021-43589 is an OS command injection vulnerability affecting Dell EMC Unity, UnityVSA, and Unity XT versions prior to 5.1.2.0.5.007. A locally authenticated user with high privileges can exploit this to execute arbitrary OS commands on the underlying system, potentially leading to an elevation of privilege. The vulnerability has a CVSS score of 6.7 (Medium), indicating a local attack vector with low complexity and high impact on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 5.1.2.0.5.007CPE matchmatch criteria
cpe:2.3:a:dell:emc_unity_operating_environment:*:*:*:*:*:*:*:*
< 5.1.2.0.5.007CPE matchmatch criteria
cpe:2.3:a:dell:emc_unity_xt_operating_environment:*:*:*:*:*:*:*:*
< 5.1.2.0.5.007CPE matchmatch criteria
cpe:2.3:a:dell:emc_unityvsa_operating_environment:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.0MEDIUM

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
0.8
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.44%
Probability of exploitation in next 30 days
EPSS Percentile
36.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0044 is in the 86th percentile among its peer group of 3,720 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

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
Vendor Advisory