Information disclosure in Dell Unity
Priority LOW 29CWE-200Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-200.
Summary
Dell EMC Unity, Unity XT, and UnityVSA versions prior to 5.1.0.0.5.394 contain a plain-text password storage vulnerability. A local malicious user with high privileges may use the exposed password to gain access with the privileges of the compromised user.
Why it matters now
EPSS 0.00198 9th percentileScored 2026-11-07
Fix Fixed Unity (Dell): 5.1.0.0.5.394
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Dell | Unity | before 5.1.0.0.5.394 | 5.1.0.0.5.394 | Patch available | CNA |
- Unity VendorDell Affected before 5.1.0.0.5.394 Fixed in 5.1.0.0.5.394 Patch available CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:dell:emc_unity_operating_environment:*:*:*:*:*:*:*:* | before 5.1.0.0.5.394 | Vulnerable | Dell |
| cpe:2.3:a:dell:emc_unity_xt_operating_environment:*:*:*:*:*:*:*:* | before 5.1.0.0.5.394 | Vulnerable | Dell |
| cpe:2.3:a:dell:emc_unityvsa_operating_environment:*:*:*:*:*:*:*:* | before 5.1.0.0.5.394 | Vulnerable | Dell |
- cpe:2.3:a:dell:emc_unity_operating_environment:*:*:*:*:*:*:*:* Versions before 5.1.0.0.5.394 Vulnerable ·Dell
- cpe:2.3:a:dell:emc_unity_xt_operating_environment:*:*:*:*:*:*:*:* Versions before 5.1.0.0.5.394 Vulnerable ·Dell
- cpe:2.3:a:dell:emc_unityvsa_operating_environment:*:*:*:*:*:*:*:* Versions before 5.1.0.0.5.394 Vulnerable ·Dell
Remediation
- Fix · CNA Unity (Dell) Fixed in 5.1.0.0.5.394
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Dell Unity 5.1.0.0.5.394
3 records Highest priority Priority LOW 3 LOW
Other records, highest priority first
- TI-2021-04671 Information disclosure in Dell UnityPriority LOW 29
- TI-2021-04670 Dell EMC Unity, Unity XT, and UnityVSA versions prior to 5.1.0.0.5.394 do not exit on…Priority LOW 29
Timeline
- 2026-10-02 Threatist record created from CVE-2021-21591
- 2026-10-03 Alias added: GHSA-6rq3-pxgh-fw4x
References
More Dell Emc Unity Operating Environment vulnerabilities
- TI-2021-14655 OS command injection in Dell VNX2 CVSS 3.1CRITICAL 9.8
- TI-2018-01098 XML external entity injection in Dell EMC Unisphere for VMAX Virtual Appliance, Dell EMC… CVSS 3.0CRITICAL 9.8
- TI-2021-14660 Dell VNX2 OE for File versions 8.1.21.266 and earlier, contain an authentication bypass… CVSS 3.1CRITICAL 9.8
- TI-2021-14656 Path traversal in Dell VNX2 CVSS 3.1CRITICAL 9.1
- TI-2021-14662 OS command injection in Dell VNX Control Station CVSS 3.1HIGH 7.2
- TI-2021-14661 OS command injection in Dell VNX Control Station CVSS 3.1HIGH 7.2
Sources
- CVE-2021-21591 · CVE Program
- CVE-2021-21591 · NVD
- FIRST EPSS
- GHSA-6rq3-pxgh-fw4x · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences