TI-2023-00837 Aliases CVE-2023-0882 GHSA-5mv2-w7gr-rp48

Authorization Bypass Through User-Controlled Key on Single Connect

MEDIUM 41CWE-639Published 2023-02-17 · Updated 2026-06-01

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Security bypass
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-639.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00712 53rd percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Kron	Single Connect	2.16	—	No fix listed	CNA

Single Connect VendorKron Affected 2.16 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:a:krontech:single_connect::::::::	before 2.16.1	Vulnerable	Kron
cpe:2.3:o:microsoft:windows:-:::::::*	not specified by NVD	Running on	Microsoft

cpe:2.3:a:krontech:single_connect:*:*:*:*:*:*:*:* Versions before 2.16.1 Vulnerable ·Kron
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2023-0882
2026-10-03 Alias added: GHSA-5mv2-w7gr-rp48

References

Patch 1

https://docs.krontech.com/singleconnect-2-16/update-patch-rdp-proxy-idor-vulnerability

Other 2

TI-2021-20277 Information Leakege via Unauthorized Access in Single Connect CVSS 3.1HIGH 8.6
TI-2021-20279 Modifying User Permissions via Unauthorized Access in Single Connect CVSS 3.1HIGH 7.5
TI-2021-20278 Information Leakege via Unauthorized Access in Single Connect CVSS 3.1MEDIUM 5.3
TI-2021-20276 Information Leakege via Unauthorized Access in Single Connect CVSS 3.1MEDIUM 5.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences