Security readout for executives and security teams
Plain-English summary
Dell UnityVSA 5.4 and earlier has a local command injection flaw. Someone who already has low-level local access could run commands as root. This is not described as remotely exploitable, but it could turn a limited compromise or insider access into full control of the appliance.
Executive priority
Treat as a high-priority remediation for UnityVSA environments, especially where local access is broadly available. It is not currently evidenced as internet-remote or actively exploited, but successful exploitation could grant root-level control.
Technical view
CVE-2026-22277 is a CWE-78 OS command injection in Dell UnityVSA 5.4 and prior. CVSS 3.1 is 7.8, vector AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. Exploitation requires local access and low privileges, with potential arbitrary command execution as root.
Likely exposure
Organizations running Dell UnityVSA version 5.4 or earlier are potentially exposed. The provided data does not identify additional affected Dell products for this specific CVE.
Exploitation context
No CISA KEV listing is indicated, and the provided sources do not state active exploitation. The main risk is privilege escalation after local access is obtained through another path or by an insider.
Researcher notes
The source bundle names UnityVSA 5.4 and prior, with local low-privileged exploitation. Exact fixed versions are not included in the provided data. Use Dell DSA-2026-054 as the authoritative remediation reference.
Mitigation direction
- Identify all Dell UnityVSA deployments and their versions.
- Prioritize systems running UnityVSA 5.4 or earlier.
- Review Dell advisory DSA-2026-054 for the applicable security update.
- Apply Dell-supported updates or mitigation guidance when available.
- Limit local shell or administrative access to trusted personnel only.
- Monitor privileged activity on affected appliances until remediated.
Validation and detection
- Confirm UnityVSA version against Dell inventory or management records.
- Verify whether Dell’s advisory lists the installed version as remediated.
- Check that only authorized users have local access.
- Review logs for unusual privilege escalation or command execution indicators.
- Document update status and remaining exceptions.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-78: Command execution behavior lookup
Command injection weaknesses can lead defenders to review execution techniques and command interpreter telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-22277 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H1.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.8HighVector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source materials
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.