CVE-2021-35247
Vulnerability from cvelistv5
Published
2022-01-07 22:39
Modified
2024-09-17 03:22
Summary
Improper Input Validation Vulnerability in Serv-U
Impacted products
SolarWindsServ-U
CISA Known exploited vulnerability
Data from the Known Exploited Vulnerabilities Catalog

Date added: 2022-01-21

Due date: 2022-02-04

Required action: Apply updates per vendor instructions.

Used in ransomware: Unknown

Notes: https://nvd.nist.gov/vuln/detail/CVE-2021-35247

Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T00:33:51.288Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35247"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_15-3_release_notes.htm"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Serv-U",
          "vendor": "SolarWinds",
          "versions": [
            {
              "lessThan": "15.3",
              "status": "affected",
              "version": "15.2.5 and previous versions",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "SolarWinds would like to thank Jonathan Bar Or of Microsoft (@yo_yo_yo_jbo) for reporting this vulnerability"
        }
      ],
      "datePublic": "2022-01-05T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "Serv-U web login screen to LDAP authentication was allowing characters that were not sufficiently sanitized. SolarWinds has updated the input mechanism to perform additional validation and sanitization. Please Note: No downstream affect has been detected as the LDAP servers ignored improper characters. To insure proper input validation is completed in all environments. SolarWinds recommends scheduling an update to the latest version of Serv-U."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-20",
              "description": "CWE-20 Improper Input Validation",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-01-25T19:11:16",
        "orgId": "49f11609-934d-4621-84e6-e02e032104d6",
        "shortName": "SolarWinds"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35247"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_15-3_release_notes.htm"
        }
      ],
      "source": {
        "defect": [
          "CVE-2021-35247"
        ],
        "discovery": "UNKNOWN"
      },
      "title": "Improper Input Validation Vulnerability in Serv-U",
      "x_generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "psirt@solarwinds.com",
          "DATE_PUBLIC": "2022-01-05T09:21:00.000Z",
          "ID": "CVE-2021-35247",
          "STATE": "PUBLIC",
          "TITLE": "Improper Input Validation Vulnerability in Serv-U"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Serv-U",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_name": "15.2.5 and previous versions",
                            "version_value": "15.3"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "SolarWinds"
              }
            ]
          }
        },
        "credit": [
          {
            "lang": "eng",
            "value": "SolarWinds would like to thank Jonathan Bar Or of Microsoft (@yo_yo_yo_jbo) for reporting this vulnerability"
          }
        ],
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "Serv-U web login screen to LDAP authentication was allowing characters that were not sufficiently sanitized. SolarWinds has updated the input mechanism to perform additional validation and sanitization. Please Note: No downstream affect has been detected as the LDAP servers ignored improper characters. To insure proper input validation is completed in all environments. SolarWinds recommends scheduling an update to the latest version of Serv-U."
            }
          ]
        },
        "generator": {
          "engine": "Vulnogram 0.0.9"
        },
        "impact": {
          "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N",
            "version": "3.1"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-20 Improper Input Validation"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35247",
              "refsource": "MISC",
              "url": "https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35247"
            },
            {
              "name": "https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_15-3_release_notes.htm",
              "refsource": "MISC",
              "url": "https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_15-3_release_notes.htm"
            }
          ]
        },
        "source": {
          "defect": [
            "CVE-2021-35247"
          ],
          "discovery": "UNKNOWN"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "49f11609-934d-4621-84e6-e02e032104d6",
    "assignerShortName": "SolarWinds",
    "cveId": "CVE-2021-35247",
    "datePublished": "2022-01-07T22:39:50.564321Z",
    "dateReserved": "2021-06-22T00:00:00",
    "dateUpdated": "2024-09-17T03:22:47.259Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "cisa_known_exploited": {
      "cveID": "CVE-2021-35247",
      "cwes": "[\"CWE-20\"]",
      "dateAdded": "2022-01-21",
      "dueDate": "2022-02-04",
      "knownRansomwareCampaignUse": "Unknown",
      "notes": "https://nvd.nist.gov/vuln/detail/CVE-2021-35247",
      "product": "Serv-U",
      "requiredAction": "Apply updates per vendor instructions.",
      "shortDescription": "SolarWinds Serv-U versions 15.2.5 and earlier contain an improper input validation vulnerability that allows attackers to build and send queries without sanitization.",
      "vendorProject": "SolarWinds",
      "vulnerabilityName": "SolarWinds Serv-U Improper Input Validation Vulnerability"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-35247\",\"sourceIdentifier\":\"psirt@solarwinds.com\",\"published\":\"2022-01-10T14:10:17.667\",\"lastModified\":\"2022-02-10T15:08:52.357\",\"vulnStatus\":\"Analyzed\",\"cisaExploitAdd\":\"2022-01-21\",\"cisaActionDue\":\"2022-02-04\",\"cisaRequiredAction\":\"Apply updates per vendor instructions.\",\"cisaVulnerabilityName\":\"SolarWinds Serv-U Improper Input Validation Vulnerability\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"Serv-U web login screen to LDAP authentication was allowing characters that were not sufficiently sanitized. SolarWinds has updated the input mechanism to perform additional validation and sanitization. Please Note: No downstream affect has been detected as the LDAP servers ignored improper characters. To insure proper input validation is completed in all environments. SolarWinds recommends scheduling an update to the latest version of Serv-U.\"},{\"lang\":\"es\",\"value\":\"La pantalla de inicio de sesi\u00f3n web de Serv-U para la autenticaci\u00f3n LDAP permit\u00eda caracteres que no estaban suficientemente desinfectados. SolarWinds ha actualizado el mecanismo de entrada para realizar una validaci\u00f3n y sanitizaci\u00f3n adicionales. Nota: No se ha detectado ninguna afectaci\u00f3n posterior, ya que los servidores LDAP ignoraban los caracteres inadecuados. Para asegurar que la validaci\u00f3n de la entrada se completa en todos los entornos. SolarWinds recomienda programar una actualizaci\u00f3n a la \u00faltima versi\u00f3n de Serv-U\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\",\"baseScore\":5.3,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":3.9,\"impactScore\":1.4},{\"source\":\"psirt@solarwinds.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\",\"baseScore\":4.3,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":2.8,\"impactScore\":1.4}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:N/I:P/A:N\",\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"NONE\",\"baseScore\":5.0},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-20\"}]},{\"source\":\"psirt@solarwinds.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-20\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:solarwinds:serv-u:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"15.3\",\"matchCriteriaId\":\"DB4EF8F3-F239-464D-B0AA-3119A5CCF12E\"}]}]}],\"references\":[{\"url\":\"https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_15-3_release_notes.htm\",\"source\":\"psirt@solarwinds.com\",\"tags\":[\"Release Notes\",\"Vendor Advisory\"]},{\"url\":\"https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35247\",\"source\":\"psirt@solarwinds.com\",\"tags\":[\"Broken Link\",\"Vendor Advisory\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading...

Loading...

Loading...

Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.