Security readout for executives and security teams
Plain-English summary
CVE-2019-5446 affects Ubiquiti EdgeMAX EdgeSwitch firmware before 1.8.2. An authenticated admin could abuse command injection to run operating-system commands as root, giving full control of the switch. Business urgency depends on whether vulnerable switches remain deployed and who can access administrative interfaces.
Executive priority
Prioritize remediation for production switches and any device with broadly reachable admin access. Although exploitation requires Admin privileges, root command execution on network infrastructure can affect availability, segmentation, and traffic control.
Technical view
The CVE describes CWE-77 command injection in EdgeMAX EdgeSwitch prior to firmware 1.8.2, with version 1.8.1 listed as affected. The attacker precondition is Admin access, and execution occurs as root. No CVSS vector, detailed vulnerable parameter, or exploit evidence is provided in the source bundle.
Likely exposure
Organizations may be exposed if they still run EdgeMAX EdgeSwitch firmware 1.8.1 or other pre-1.8.2 builds, especially where admin interfaces are reachable beyond tightly controlled management networks.
Exploitation context
The provided sources do not show active exploitation, public weaponization, or CISA KEV listing. The issue is post-authentication: abuse requires Admin-level access, but successful exploitation would provide root-level command execution on the switch.
Researcher notes
The public record is sparse. It identifies command injection, affected firmware before 1.8.2, and root execution, but does not provide CVSS, exploit details, vulnerable endpoints, or environmental mitigations beyond the vendor firmware reference.
Mitigation direction
- Upgrade affected EdgeMAX EdgeSwitch devices to firmware 1.8.2 or later per vendor guidance.
- Restrict switch administrative access to trusted management networks only.
- Review and remove unnecessary administrator accounts.
- Rotate credentials for administrators with access to affected devices.
- Check vendor release notes for any additional operational guidance.
Validation and detection
- Inventory EdgeMAX EdgeSwitch devices and record firmware versions.
- Flag devices running 1.8.1 or any build before 1.8.2.
- Confirm administrative interfaces are not exposed to untrusted networks.
- Review admin account lists and recent configuration changes.
- Verify upgraded devices report firmware 1.8.2 or later.
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-77: 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-2019-5446 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://community.ui.com/releases/EdgeMAX-EdgeSwitch-Firmware-v1-8-2/824d58b1-6027-49cf-878d-2076c01948b7CVE reference · x_refsource_MISC
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 a Command ('Command Injection')
Improper Neutralization of Special Elements used in a Command ('Command Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.