Vulnerability Report

CVE-2019-5426

Title: Ui Edgeswitch X Auth Bypass

Auth Bypass

Proof Of Concept

No public PoC currently indexed for CVE-2019-5426.

CWE Category CWE-287
Published Date Apr 10, 2019
Modified Date Jun 17, 2026
Exploit Status Not Found
Score 4.8 CVSS v3.1
Exploit Probability (EPSS)
0.81%

Vulnerability Summary

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.

Impacted Vendors

U
ui 1

Reference Links

https://community.ubnt.com/t5/EdgeMAX-Updates-Blog/EdgeMAX-EdgeSwitch-X-software-release-v1-1-1/ba-p/2731137 https://hackerone.com/reports/512958 https://community.ubnt.com/t5/EdgeMAX-Updates-Blog/EdgeMAX-EdgeSwitch-X-software-release-v1-1-1/ba-p/2731137 https://hackerone.com/reports/512958
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
4.8
Attack Vector
NETWORK
Complexity
HIGH
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
5.8
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:M/Au:N/C:P/I:P/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2019-5426 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity HIGH
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

Affected Stack

No specific products linked.