← Back to CVE Explorer

CVE-2025-10966

Full vulnerability record from the local CVENow database.

Description

curl's code for managing SSH connections when SFTP was done using the wolfSSH powered backend was flawed and missed host verification mechanisms. This prevents curl from detecting MITM attackers and more.

Severity
MEDIUM
CVSS score
4.3 (v3.1)
Vulnerability status
Modified
Source identifier
2499f714-1537-4658-8207-48ae4bb9eae9
Published
2025-11-07 08:15:39.617000
Last modified
2026-10-19 13:10:00.110000
View original CVE JSON
{
  "id": "CVE-2025-10966",
  "sourceIdentifier": "2499f714-1537-4658-8207-48ae4bb9eae9",
  "published": "2025-11-07T08:15:39.617",
  "lastModified": "2026-10-19T13:10:00.110",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "curl's code for managing SSH connections when SFTP was done using the wolfSSH\npowered backend was flawed and missed host verification mechanisms.\n\nThis prevents curl from detecting MITM attackers and more."
    },
    {
      "lang": "es",
      "value": "El código de curl para gestionar conexiones SSH cuando SFTP se realizaba usando el backend impulsado por wolfSSH era defectuoso y carecía de mecanismos de verificación de host. Esto impide que curl detecte atacantes MitM y más."
    }
  ],
  "affected": [
    {
      "source": "2499f714-1537-4658-8207-48ae4bb9eae9",
      "affectedData": [
        {
          "vendor": "curl",
          "product": "curl",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "7.69.0",
              "lessThan": "8.14.2",
              "versionType": "semver",
              "status": "affected"
            },
            {
              "version": "8.15.0",
              "lessThan": "8.16.1",
              "versionType": "semver",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "curl",
          "product": "curl",
          "defaultStatus": "unaffected",
          "repo": "https://github.com/curl/curl.git",
          "versions": [
            {
              "version": "6773c7ca65cf2183295e56603f9b86a5ce816a06",
              "lessThan": "b011e3fcfb06d6c0278595ee2ee297036fbe9793",
              "versionType": "git",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "curl",
          "product": "curl",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "8.16.0",
              "status": "affected"
            },
            {
              "version": "8.15.0",
              "status": "affected"
            },
            {
              "version": "8.14.1",
              "status": "affected"
            },
            {
              "version": "8.14.0",
              "status": "affected"
            },
            {
              "version": "8.13.0",
              "status": "affected"
            },
            {
              "version": "8.12.1",
              "status": "affected"
            },
            {
              "version": "8.12.0",
              "status": "affected"
            },
            {
              "version": "8.11.1",
              "status": "affected"
            },
            {
              "version": "8.11.0",
              "status": "affected"
            },
            {
              "version": "8.10.1",
              "status": "affected"
            },
            {
              "version": "8.10.0",
              "status": "affected"
            },
            {
              "version": "8.9.1",
              "status": "affected"
            },
            {
              "version": "8.9.0",
              "status": "affected"
            },
            {
              "version": "8.8.0",
              "status": "affected"
            },
            {
              "version": "8.7.1",
              "status": "affected"
            },
            {
              "version": "8.7.0",
              "status": "affected"
            },
            {
              "version": "8.6.0",
              "status": "affected"
            },
            {
              "version": "8.5.0",
              "status": "affected"
            },
            {
              "version": "8.4.0",
              "status": "affected"
            },
            {
              "version": "8.3.0",
              "status": "affected"
            },
            {
              "version": "8.2.1",
              "status": "affected"
            },
            {
              "version": "8.2.0",
              "status": "affected"
            },
            {
              "version": "8.1.2",
              "status": "affected"
            },
            {
              "version": "8.1.1",
              "status": "affected"
            },
            {
              "version": "8.1.0",
              "status": "affected"
            },
            {
              "version": "8.0.1",
              "status": "affected"
            },
            {
              "version": "8.0.0",
              "status": "affected"
            },
            {
              "version": "7.88.1",
              "status": "affected"
            },
            {
              "version": "7.88.0",
              "status": "affected"
            },
            {
              "version": "7.87.0",
              "status": "affected"
            },
            {
              "version": "7.86.0",
              "status": "affected"
            },
            {
              "version": "7.85.0",
              "status": "affected"
            },
            {
              "version": "7.84.0",
              "status": "affected"
            },
            {
              "version": "7.83.1",
              "status": "affected"
            },
            {
              "version": "7.83.0",
              "status": "affected"
            },
            {
              "version": "7.82.0",
              "status": "affected"
            },
            {
              "version": "7.81.0",
              "status": "affected"
            },
            {
              "version": "7.80.0",
              "status": "affected"
            },
            {
              "version": "7.79.1",
              "status": "affected"
            },
            {
              "version": "7.79.0",
              "status": "affected"
            },
            {
              "version": "7.78.0",
              "status": "affected"
            },
            {
              "version": "7.77.0",
              "status": "affected"
            },
            {
              "version": "7.76.1",
              "status": "affected"
            },
            {
              "version": "7.76.0",
              "status": "affected"
            },
            {
              "version": "7.75.0",
              "status": "affected"
            },
            {
              "version": "7.74.0",
              "status": "affected"
            },
            {
              "version": "7.73.0",
              "status": "affected"
            },
            {
              "version": "7.72.0",
              "status": "affected"
            },
            {
              "version": "7.71.1",
              "status": "affected"
            },
            {
              "version": "7.71.0",
              "status": "affected"
            },
            {
              "version": "7.70.0",
              "status": "affected"
            },
            {
              "version": "7.69.1",
              "status": "affected"
            },
            {
              "version": "7.69.0",
              "status": "affected"
            }
          ]
        }
      ]
    },
    {
      "source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
      "affectedData": [
        {
          "vendor": "Siemens",
          "product": "RUGGEDCOM RST2428P",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "0",
              "lessThan": "V4.0",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
          "baseScore": 4.3,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 1.4
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2025-11-10T20:26:03.531168Z",
          "id": "CVE-2025-10966",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "2499f714-1537-4658-8207-48ae4bb9eae9",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-322"
        }
      ]
    },
    {
      "source": "[email protected]",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "7.69.0",
              "versionEndExcluding": "8.17.0",
              "matchCriteriaId": "8305F329-73B7-4DFC-9EA2-AD77D31E14A9"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://curl.se/docs/CVE-2025-10966.html",
      "source": "2499f714-1537-4658-8207-48ae4bb9eae9",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://curl.se/docs/CVE-2025-10966.json",
      "source": "2499f714-1537-4658-8207-48ae4bb9eae9",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://hackerone.com/reports/3355218",
      "source": "2499f714-1537-4658-8207-48ae4bb9eae9",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2025/11/05/2",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://cert-portal.siemens.com/productcert/html/ssa-253495.html",
      "source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"
    }
  ]
}