FKIE_CVE-2021-35223

Vulnerability from fkie_nvd - Published: 2021-08-31 16:15 - Updated: 2024-11-21 06:12
Severity
8.5 (High) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
The Serv-U File Server allows for events such as user login failures to be audited by executing a command. This command can be supplied with parameters that can take the form of user string variables, allowing remote code execution.
References
psirt@solarwinds.comhttps://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_15-2-4_release_notes.htmRelease Notes, Vendor Advisory
psirt@solarwinds.comhttps://support.solarwinds.com/SuccessCenter/s/article/Execute-Command-Function-Allows-Remote-Code-Execution-RCE-Vulnerability-CVE-2021-35223?language=en_USVendor Advisory
psirt@solarwinds.comhttps://www.solarwinds.com/trust-center/security-advisories/cve-2021-35223Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_15-2-4_release_notes.htmRelease Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://support.solarwinds.com/SuccessCenter/s/article/Execute-Command-Function-Allows-Remote-Code-Execution-RCE-Vulnerability-CVE-2021-35223?language=en_USVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35223Vendor Advisory
Impacted products
Vendor Product Version
solarwinds serv-u *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:solarwinds:serv-u:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "1882D2EA-8C83-4C41-B63D-57735E0F4DAE",
              "versionEndExcluding": "15.2.4",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Serv-U File Server allows for events such as user login failures to be audited by executing a command. This command can be supplied with parameters that can take the form of user string variables, allowing remote code execution."
    },
    {
      "lang": "es",
      "value": "El Servidor de Archivos Serv-U permite auditar eventos como los fallos de inicio de sesi\u00f3n de los usuarios mediante la ejecuci\u00f3n de un comando. Este comando puede ser suministrado con par\u00e1metros que pueden tomar la forma de variables de cadena de usuario, permitiendo la ejecuci\u00f3n remota de c\u00f3digo"
    }
  ],
  "id": "CVE-2021-35223",
  "lastModified": "2024-11-21T06:12:05.767",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "SINGLE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.5,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.0,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 6.0,
        "source": "psirt@solarwinds.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "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"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-08-31T16:15:07.750",
  "references": [
    {
      "source": "psirt@solarwinds.com",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_15-2-4_release_notes.htm"
    },
    {
      "source": "psirt@solarwinds.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://support.solarwinds.com/SuccessCenter/s/article/Execute-Command-Function-Allows-Remote-Code-Execution-RCE-Vulnerability-CVE-2021-35223?language=en_US"
    },
    {
      "source": "psirt@solarwinds.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35223"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_15-2-4_release_notes.htm"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://support.solarwinds.com/SuccessCenter/s/article/Execute-Command-Function-Allows-Remote-Code-Execution-RCE-Vulnerability-CVE-2021-35223?language=en_US"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35223"
    }
  ],
  "sourceIdentifier": "psirt@solarwinds.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ],
      "source": "psirt@solarwinds.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





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

Author Source Type Date Other

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.


Detection rules are retrieved from Rulezet.