CVE-2023-0882 (GCVE-0-2023-0882)

Vulnerability from cvelistv5 – Published: 2023-02-17 06:44 – Updated: 2026-06-01 11:58
VLAI
Title
Authorization Bypass Through User-Controlled Key on Single Connect
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.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-03-12 20:11 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Impacted products
Vendor Product Version CPE status
Kron Tech Single Connect Affected: 2.16
guessed Create a notification for this product.
Date Public
2023-02-17 07:00
Show details on NVD website

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                "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": [
                {
                  "lang": "en",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-639",
                  "description": "CWE-639 Authorization Bypass Through User-Controlled Key",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-06-01T11:58:31.136Z",
            "orgId": "ca940d4e-fea4-4aa2-9a58-591a58b1ce21",
            "shortName": "TR-CERT"
          },
          "references": [
            {
              "url": "https://docs.krontech.com/singleconnect-2-16/update-patch-rdp-proxy-idor-vulnerability"
            },
            {
              "tags": [
                "government-resource",
                "broken-link"
              ],
              "url": "https://www.usom.gov.tr/bildirim/tr-23-0092"
            },
            {
              "tags": [
                "government-resource"
              ],
              "url": "https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-23-0092"
            }
          ],
          "solutions": [
            {
              "lang": "en",
              "supportingMedia": [
                {
                  "base64": false,
                  "type": "text/html",
                  "value": "Apply the patch on\u0026nbsp;\u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://filerepo.krontech.com/index.php/s/VQRlYxpzsECp3UU\"\u003ehttps://filerepo.krontech.com/index.php/s/VQRlYxpzsECp3UU\u003c/a\u003e\u0026nbsp;\n\n\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003e(md5sum: 6fea2b58915854b663f43fdf4516522a, instructions on \u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://docs.krontech.com/singleconnect-2-16/update-patch-rdp-proxy-idor-vulnerability\"\u003ehttps://docs.krontech.com/singleconnect-2-16/update-patch-rdp-proxy-idor-vulnerability\u003c/a\u003e\u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://docs.krontech.com/singleconnect-2-16/update-patch-rdp-proxy-idor-vulnerability\"\u003e)\u003c/a\u003e\n\n)\u003c/span\u003e\u0026nbsp; and update the Single Connect (PAM) to version 2.16.1."
                }
              ],
              "value": "Apply the patch on\u00a0 https://filerepo.krontech.com/index.php/s/VQRlYxpzsECp3UU https://filerepo.krontech.com/index.php/s/VQRlYxpzsECp3UU \u00a0\n\n(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 \n\n)\u00a0 and update the Single Connect (PAM) to version 2.16.1."
            }
          ],
          "source": {
            "advisory": "TR-23-0092",
            "defect": [
              "TR-23-0092"
            ],
            "discovery": "EXTERNAL"
          },
          "timeline": [
            {
              "lang": "en",
              "time": "2023-02-14T12:00:00.000Z",
              "value": "Vendor informed about the vulnerability."
            },
            {
              "lang": "en",
              "time": "2023-02-16T18:00:00.000Z",
              "value": "Patch published by the vendor"
            }
          ],
          "title": "Authorization Bypass Through User-Controlled Key on Single Connect",
          "x_generator": {
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          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "ca940d4e-fea4-4aa2-9a58-591a58b1ce21",
        "assignerShortName": "TR-CERT",
        "cveId": "CVE-2023-0882",
        "datePublished": "2023-02-17T06:44:51.711Z",
        "dateReserved": "2023-02-17T05:16:54.142Z",
        "dateUpdated": "2026-06-01T11:58:31.136Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


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