CVE-2023-0882: Authorization Bypass Through User-Controlled Key on Single Connect

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-02-17 · updated 2026-06-17
Weakness: CWE-639

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.

Affected products

Kron Single Connect: before 2.16.1 — fixed in 2.16.1

How to fix

Upgrade to a fixed version: Kron Single Connect 2.16.1. Check the vendor advisory for mitigations.

References

https://docs.krontech.com/singleconnect-2-16/update-patch-rdp-proxy-idor-vulnerability
https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-23-0092
https://www.usom.gov.tr/bildirim/tr-23-0092
https://docs.krontech.com/singleconnect-2-16/update-patch-rdp-proxy-idor-vulnerability
https://www.usom.gov.tr/bildirim/tr-23-0092

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