title: Authorization Bypass Through User-Controlled Key on Single Connect
description: Improper Input Validation, Authorization Bypass Through User-Controlled Key vulnerability in Kron Tech Single Connect on Windows allows Privilege Abuse. This issue affects Single Connect: 2.16.
problem types: CWE-639 Authorization Bypass Through User-Controlled Key
affected:
{
defaultStatus: unaffected
platforms: Windows
product: Single Connect
vendor: Kron Tech
versions:
status: affected, version: 2.16
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 8.8
baseSeverity: HIGH
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: LOW
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
version: 3.1
]
format: CVSS
scenarios: GENERAL
solutions: Apply the patch on  https://filerepo.krontech.com/index.php/s/VQRlYxpzsECp3UU https://filerepo.krontech.com/index.php/s/VQRlYxpzsECp3UU
(md5sum: 6fea2b58915854b663f43fdf4516522a, instructions on  https://docs.krontech.com/singleconnect-2-16/update-patch-rdp-proxy-idor-vulnerability https://docs.krontech.com/singleconnect-2-16/update-patch-rdp-proxy-idor-vulnerability  ) https://docs.krontech.com/singleconnect-2-16/update-patch-rdp-proxy-idor-vulnerability
)  and update the Single Connect (PAM) to version 2.16.1.