gsd-2023-27516
Vulnerability from gsd
Modified
2023-12-13 01:20
Details
An authentication bypass vulnerability exists in the CiRpcAccepted() functionality of SoftEther VPN 4.41-9782-beta and 5.01.9674. A specially crafted network packet can lead to unauthorized access. An attacker can send a network request to trigger this vulnerability.
Aliases
Aliases
CVE-2023-27516


To clipboard 

{
  "GSD": {
    "alias": "CVE-2023-27516",
    "id": "GSD-2023-27516"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2023-27516"
      ],
      "details": "An authentication bypass vulnerability exists in the CiRpcAccepted() functionality of SoftEther VPN 4.41-9782-beta and 5.01.9674. A specially crafted network packet can lead to unauthorized access. An attacker can send a network request to trigger this vulnerability.",
      "id": "GSD-2023-27516",
      "modified": "2023-12-13T01:20:55.622851Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "talos-cna@cisco.com",
        "ID": "CVE-2023-27516",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "SoftEther VPN",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "4.41-9782-beta"
                        },
                        {
                          "version_affected": "=",
                          "version_value": "5.01.9674"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "SoftEther VPN"
            }
          ]
        }
      },
      "credits": [
        {
          "lang": "en",
          "value": "Discovered by Lilith \u0026gt;_\u0026gt; of Cisco Talos."
        }
      ],
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "An authentication bypass vulnerability exists in the CiRpcAccepted() functionality of SoftEther VPN 4.41-9782-beta and 5.01.9674. A specially crafted network packet can lead to unauthorized access. An attacker can send a network request to trigger this vulnerability."
          }
        ]
      },
      "impact": {
        "cvss": [
          {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "LOW",
            "baseScore": 7.3,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L",
            "version": "3.1"
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "cweId": "CWE-453",
                "lang": "eng",
                "value": "CWE-453: Insecure Default Variable Initialization"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1754",
            "refsource": "MISC",
            "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1754"
          },
          {
            "name": "https://www.softether.org/9-about/News/904-SEVPN202301",
            "refsource": "MISC",
            "url": "https://www.softether.org/9-about/News/904-SEVPN202301"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:softether:vpn:5.01.9674:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:softether:vpn:4.41-9782:beta:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "talos-cna@cisco.com",
          "ID": "CVE-2023-27516"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "An authentication bypass vulnerability exists in the CiRpcAccepted() functionality of SoftEther VPN 4.41-9782-beta and 5.01.9674. A specially crafted network packet can lead to unauthorized access. An attacker can send a network request to trigger this vulnerability."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-1188"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1754",
              "refsource": "MISC",
              "tags": [
                "Exploit",
                "Third Party Advisory"
              ],
              "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1754"
            },
            {
              "name": "https://www.softether.org/9-about/News/904-SEVPN202301",
              "refsource": "MISC",
              "tags": [
                "Patch",
                "Vendor Advisory"
              ],
              "url": "https://www.softether.org/9-about/News/904-SEVPN202301"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 1.8,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2023-10-18T16:35Z",
      "publishedDate": "2023-10-12T16:15Z"
    }
  }
}


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