Security readout for executives and security teams
Plain-English summary
An authenticated administrator could crash the SSH command-line interface on affected EdgeMAX EdgeSwitch firmware by issuing crafted commands. This is a management-plane denial of service, not evidence of data theft or unauthenticated compromise. Business impact depends on reliance on SSH access for switch administration and recovery.
Executive priority
Treat this as a moderate operational resilience issue. It does not indicate unauthenticated compromise, but affected switches could lose SSH management availability if an admin account is misused or compromised.
Technical view
CVE-2019-5445 is a CWE-400 resource-consumption denial-of-service issue in EdgeMAX EdgeSwitch firmware before 1.8.2, with version 1.8.1 listed as affected. The source states an Admin user can crash the SSH CLI interface using crafted commands. No CVSS vector is provided.
Likely exposure
Exposure is most likely where EdgeMAX EdgeSwitch devices run firmware 1.8.1 or other builds before 1.8.2 and administrators can access SSH CLI. Risk is lower where admin access is tightly controlled and SSH management is restricted.
Exploitation context
The provided sources do not report public exploitation or KEV listing. The vulnerability requires Admin-level access, so the main concern is malicious, compromised, or careless administrator accounts disrupting SSH-based management.
Researcher notes
Evidence is limited to the CVE record and vendor release reference. The sources identify the affected product family, affected version 1.8.1, admin prerequisite, SSH CLI crash impact, and CWE-400. They do not provide CVSS details, exploit maturity, or technical root cause.
Mitigation direction
- Review the vendor EdgeSwitch firmware v1.8.2 release guidance.
- Upgrade affected EdgeSwitch firmware where vendor guidance confirms applicability.
- Restrict SSH management access to trusted administration networks.
- Audit and remove unnecessary administrator accounts.
- Monitor for repeated SSH CLI crashes or management-plane instability.
Validation and detection
- Inventory EdgeMAX EdgeSwitch firmware versions.
- Identify devices running version 1.8.1 or earlier-than-1.8.2 builds.
- Confirm whether SSH CLI management is enabled and reachable.
- Review administrator account lists and recent SSH access logs.
- Check vendor release notes before applying firmware changes.
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-400: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. 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 lookupCVE-2019-5445 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.
Uncontrolled Resource Consumption
Uncontrolled Resource Consumption represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.