Authorization Bypass Through User-Controlled Key on Single Connect
Summary
| CVE | CVE-2023-0882 |
|---|---|
| State | PUBLISHED |
| Assigner | TR-CERT |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2023-02-17 10:15:11 UTC |
| Updated | 2026-06-01 13:16:19 UTC |
| 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. |
Risk And Classification
Primary CVSS: v3.1 8.8 HIGH from [email protected]
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.002960000 probability, percentile 0.531160000 (date 2026-06-03)
Problem Types: CWE-639 | CWE-639 CWE-639 Authorization Bypass Through User-Controlled Key
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Secondary | 8.8 | HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| 3.1 | [email protected] | Secondary | 8.8 | HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| 3.1 | CNA | CVSS | 8.8 | HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
CVSS v3.1 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Krontech | Single Connect | All | All | All | All |
| Operating System | Microsoft | Windows | - | All | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Kron Tech | Single Connect | affected 2.16 | Windows |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-23-0092 | [email protected] | siberguvenlik.gov.tr | |
| Ulusal Siber Olaylara Müdahale Merkezi - USOM | af854a3a-2127-422b-91ae-364da2661108 | www.usom.gov.tr | Broken Link |
| UPDATE PATCH [RDP Proxy IDOR Vulnerability] - Kron Docs | af854a3a-2127-422b-91ae-364da2661108 | docs.krontech.com | Patch, Vendor Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: Furkan KAYAPINAR (en)
Additional Advisory Data
| Source | Time | Event |
|---|---|---|
| CNA | 2023-02-14T12:00:00.000Z | Vendor informed about the vulnerability. |
| CNA | 2023-02-16T18:00:00.000Z | Patch published by the vendor |
Solutions
CNA: 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.