Home/CVE/Improper Input Validation, Authorization Bypass Through User-Controlled Key vulnerability in Kron Tech Single Connect on
CVE

CVE-2023-0882

Improper Input Validation, Authorization Bypass Through User-Controlled Key vulnerability in Kron Tech Single Connect on

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.

HIGH · CVSS 8.8 EPSS 0.00296
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules7 YARA rules0
⬡

Weakness Classification

CWE-639Authorization Bypass Through User-Controlled Key
CWE-639Authorization Bypass Through User-Controlled Key
▤

Affected Products & Versions

1
krontech single connect< 2.16.1
◈

Sigma Hunt Rules

7
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productcriticalHackTool - Windows Credential Editor (WCE) Execution
productcriticalWindows Credential Editor Registry
producthighOpenCanary - MSSQL Login Attempt Via Windows Authentication
producthighWindows LAPS Credential Dump From Entra ID
producthighTamper Windows Defender - PSClassic
producthighTamper Windows Defender Remove-MpPreference - ScriptBlockLogging
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Scoring & Timeline

8.8
HIGH · CVSS v3.1 · iletisim@usom.gov.tr
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD17 Feb 2023 · 10:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://docs.krontech.com/singleconnect-2-16/update-patch-rdp-proxy-idor-vulnerabilityPatchVendor Advisory
https://www.usom.gov.tr/bildirim/tr-23-0092Broken Link
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