Vulnerability Monitor

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CVE-2019-5426

In Ubiquiti Networks EdgeSwitch X v1.1.0 and prior, an unauthenticated user can use the "local port forwarding" and "dynamic port forwarding" (SOCKS proxy) functionalities. Remote attackers without credentials can exploit this bug to access local services or forward traffic through the device if SSH is enabled in the system settings.

Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 4.8, indicating it can be exploited remotely over the network but requires specific conditions to be met without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts limited data confidentiality, limited integrity, for affected systems. Impacting 1 product from ui organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2019, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2019-04-10T18:29:00.620

Last Modified

2024-11-21T04:44:54.833

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 4.8 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:N

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

8.6

Impact Score

4.9

Weaknesses

Type: Secondary
CWE-287
Type: Primary
CWE-287

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	ui	edgeswitch_x	≤ 1.1.0	Yes

References

https://community.ubnt.com/t5/EdgeMAX-Updates-Blog/EdgeMAX-EdgeSwitch-X-software-release-v1-1-1/ba-p/2731137 Patch, Vendor Advisory ([email protected])
https://hackerone.com/reports/512958 Third Party Advisory ([email protected])
https://community.ubnt.com/t5/EdgeMAX-Updates-Blog/EdgeMAX-EdgeSwitch-X-software-release-v1-1-1/ba-p/2731137 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://hackerone.com/reports/512958 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For ui's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.