FKIE_CVE-2018-10240

Vulnerability from fkie_nvd - Published: 2018-05-16 14:29 - Updated: 2026-06-17 01:33
Severity
7.3 (High) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Summary
SolarWinds Serv-U MFT before 15.1.6 HFv1 assigns authenticated users a low-entropy session token that can be included in requests to the application as a URL parameter in lieu of a session cookie. This session token's value can be brute-forced by an attacker to obtain the corresponding session cookie and hijack the user's session.
References
cve@mitre.orghttps://www.bishopfox.com/news/2018/05/solarwinds-serv-u-managed-file-transfer-insufficient-session-id-entropy/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.bishopfox.com/news/2018/05/solarwinds-serv-u-managed-file-transfer-insufficient-session-id-entropy/Third Party Advisory
Impacted products
Vendor Product Version
solarwinds serv-u *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:solarwinds:serv-u:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "0052C5AE-84E7-416D-B864-1EC4F7443F56",
              "versionEndIncluding": "15.1.6",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "SolarWinds Serv-U MFT before 15.1.6 HFv1 assigns authenticated users a low-entropy session token that can be included in requests to the application as a URL parameter in lieu of a session cookie. This session token\u0027s value can be brute-forced by an attacker to obtain the corresponding session cookie and hijack the user\u0027s session."
    },
    {
      "lang": "es",
      "value": "SolarWinds Serv-U MFT en versiones anteriores a la 15.1.6 HFv1 asigna a usuarios autenticados un token de sesi\u00f3n con poca entrop\u00eda que puede incluirse en peticiones a la aplicaci\u00f3n como un par\u00e1metro URL en lugar de una cookie de sesi\u00f3n. El valor del token de sesi\u00f3n puede ser adivinado a la fuerza por un atacante para obtener la correspondiente cookie de sesi\u00f3n y secuestrar la sesi\u00f3n de usuario."
    }
  ],
  "id": "CVE-2018-10240",
  "lastModified": "2026-06-17T01:33:44.840",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.0,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 7.3,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
          "version": "3.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.4,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2018-05-16T14:29:00.207",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.bishopfox.com/news/2018/05/solarwinds-serv-u-managed-file-transfer-insufficient-session-id-entropy/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.bishopfox.com/news/2018/05/solarwinds-serv-u-managed-file-transfer-insufficient-session-id-entropy/"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-331"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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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.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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