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FKIE_CVE-2021-35250

Vulnerability from fkie_nvd - Published: 2022-04-25 20:15 - Updated: 2026-06-17 03:57
Severity
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Summary
A researcher reported a Directory Transversal Vulnerability in Serv-U 15.3. This may allow access to files relating to the Serv-U installation and server files. This issue has been resolved in Serv-U 15.3 Hotfix 1.
References
psirt@solarwinds.comhttps://support.solarwinds.com/SuccessCenter/s/article/Serv-U-15-3-HotFix-1?language=en_USVendor Advisory
psirt@solarwinds.comhttps://www.solarwinds.com/trust-center/security-advisories/cve-2021-35250Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://support.solarwinds.com/SuccessCenter/s/article/Serv-U-15-3-HotFix-1?language=en_USVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35250Vendor Advisory
Impacted products
Vendor Product Version
solarwinds serv-u 15.3
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Serv-U",
          "vendor": "SolarWinds",
          "versions": [
            {
              "lessThan": "15.3 Hotfix 1",
              "status": "affected",
              "version": "15.3 only",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "psirt@solarwinds.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:solarwinds:serv-u:15.3:-:*:*:*:*:*:*",
              "matchCriteriaId": "7052F291-0FF2-4E8D-A507-744850C8812D",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A researcher reported a Directory Transversal Vulnerability in Serv-U 15.3. This may allow access to files relating to the Serv-U installation and server files. This issue has been resolved in Serv-U 15.3 Hotfix 1."
    },
    {
      "lang": "es",
      "value": "Un investigador inform\u00f3 de una Vulnerabilidad de Salto de Directorio en Serv-U versi\u00f3n 15.3. Esto puede permitir el acceso a archivos relacionados con la instalaci\u00f3n de Serv-U y los archivos del servidor. Este problema ha sido resuelto en Serv-U versi\u00f3n 15.3 Hotfix 1"
    }
  ],
  "id": "CVE-2021-35250",
  "lastModified": "2026-06-17T03:57:23.240",
  "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
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "psirt@solarwinds.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2022-04-25T20:15:41.787",
  "references": [
    {
      "source": "psirt@solarwinds.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://support.solarwinds.com/SuccessCenter/s/article/Serv-U-15-3-HotFix-1?language=en_US"
    },
    {
      "source": "psirt@solarwinds.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35250"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://support.solarwinds.com/SuccessCenter/s/article/Serv-U-15-3-HotFix-1?language=en_US"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35250"
    }
  ],
  "sourceIdentifier": "psirt@solarwinds.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ],
      "source": "psirt@solarwinds.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ],
      "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.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


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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.