CVE-2021-35252 (GCVE-0-2021-35252)
Vulnerability from cvelistv5
Published
2022-12-16 00:00
Modified
2025-04-17 20:18
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE
  • CWE-798 - Use of Hard-coded Credentials
Summary
Common encryption key appears to be used across all deployed instances of Serv-U FTP Server. Because of this an encrypted value that is exposed to an attacker can be simply recovered to plaintext.
References
Impacted products
Vendor Product Version
SolarWinds Serv-U FTP Server Version: 15.3.0
 Create a notification for this product.
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T00:33:51.290Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_15-3-2_release_notes.htm",
            "tags": [
              "x_transferred"
            ],
            "url": "https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_15-3-2_release_notes.htm"
          },
          {
            "name": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-35252",
            "tags": [
              "x_transferred"
            ],
            "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-35252"
          },
          {
            "name": "https://www.solarwinds.com/trust-center/security-advisories/CVE-2021-35252",
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.solarwinds.com/trust-center/security-advisories/CVE-2021-35252"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2021-35252",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-04-17T20:17:44.705409Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-04-17T20:18:01.478Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Serv-U FTP Server",
          "vendor": "SolarWinds",
          "versions": [
            {
              "status": "affected",
              "version": "15.3.0"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "user": "00000000-0000-4000-9000-000000000000",
          "value": "SecureWorks Disclosure Team"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Common encryption key appears to be used across all deployed instances of Serv-U FTP Server. Because of this an encrypted value that is exposed to an attacker can be simply recovered to plaintext."
            }
          ],
          "value": "Common encryption key appears to be used across all deployed instances of Serv-U FTP Server. Because of this an encrypted value that is exposed to an attacker can be simply recovered to plaintext."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-21",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-21 Exploitation of Trusted Credentials"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "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"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-798",
              "description": "CWE-798 Use of Hard-coded Credentials",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-10-23T12:45:56.851Z",
        "orgId": "49f11609-934d-4621-84e6-e02e032104d6",
        "shortName": "SolarWinds"
      },
      "references": [
        {
          "name": "https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_15-3-2_release_notes.htm",
          "url": "https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_15-3-2_release_notes.htm"
        },
        {
          "name": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-35252",
          "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-35252"
        },
        {
          "name": "https://www.solarwinds.com/trust-center/security-advisories/CVE-2021-35252",
          "url": "https://www.solarwinds.com/trust-center/security-advisories/CVE-2021-35252"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "SolarWinds advises to upgrade to the latest version of Serv-U 15.3.2 once became generally available."
            }
          ],
          "value": "SolarWinds advises to upgrade to the latest version of Serv-U 15.3.2 once became generally available."
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Common Key Vulnerability in Serv-U FTP Server",
      "x_generator": {
        "engine": "Vulnogram 0.1.0-dev"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "49f11609-934d-4621-84e6-e02e032104d6",
    "assignerShortName": "SolarWinds",
    "cveId": "CVE-2021-35252",
    "datePublished": "2022-12-16T00:00:00.000Z",
    "dateReserved": "2021-06-22T00:00:00.000Z",
    "dateUpdated": "2025-04-17T20:18:01.478Z",
    "serial": 1,
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-35252\",\"sourceIdentifier\":\"psirt@solarwinds.com\",\"published\":\"2022-12-16T16:15:16.297\",\"lastModified\":\"2024-11-21T06:12:09.607\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Common encryption key appears to be used across all deployed instances of Serv-U FTP Server. Because of this an encrypted value that is exposed to an attacker can be simply recovered to plaintext.\"},{\"lang\":\"es\",\"value\":\"Parece que se utiliza una clave de cifrado com\u00fan en todas las instancias implementadas del Serv-U FTP Server. Debido a esto, un valor cifrado que est\u00e1 expuesto a un atacante se puede recuperar simplemente en texto plano.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"psirt@solarwinds.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6},{\"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:H/I:N/A:N\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"psirt@solarwinds.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-798\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-287\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:solarwinds:serv-u:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"15.3.2\",\"matchCriteriaId\":\"849E4BD2-BA9B-4C38-91E1-95116AA12AE2\"}]}]}],\"references\":[{\"url\":\"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-35252\",\"source\":\"psirt@solarwinds.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_15-3-2_release_notes.htm\",\"source\":\"psirt@solarwinds.com\",\"tags\":[\"Release Notes\",\"Vendor Advisory\"]},{\"url\":\"https://www.solarwinds.com/trust-center/security-advisories/CVE-2021-35252\",\"source\":\"psirt@solarwinds.com\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-35252\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_15-3-2_release_notes.htm\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Release Notes\",\"Vendor Advisory\"]},{\"url\":\"https://www.solarwinds.com/trust-center/security-advisories/CVE-2021-35252\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Vendor Advisory\"]}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_15-3-2_release_notes.htm\", \"name\": \"https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_15-3-2_release_notes.htm\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-35252\", \"name\": \"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-35252\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://www.solarwinds.com/trust-center/security-advisories/CVE-2021-35252\", \"name\": \"https://www.solarwinds.com/trust-center/security-advisories/CVE-2021-35252\", \"tags\": [\"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-04T00:33:51.290Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2021-35252\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-04-17T20:17:44.705409Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-04-17T20:17:49.148Z\"}}], \"cna\": {\"title\": \"Common Key Vulnerability in Serv-U FTP Server\", \"source\": {\"discovery\": \"UNKNOWN\"}, \"credits\": [{\"lang\": \"en\", \"type\": \"finder\", \"user\": \"00000000-0000-4000-9000-000000000000\", \"value\": \"SecureWorks Disclosure Team\"}], \"impacts\": [{\"capecId\": \"CAPEC-21\", \"descriptions\": [{\"lang\": \"en\", \"value\": \"CAPEC-21 Exploitation of Trusted Credentials\"}]}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 7.5, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"NONE\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"HIGH\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"SolarWinds\", \"product\": \"Serv-U FTP Server\", \"versions\": [{\"status\": \"affected\", \"version\": \"15.3.0\"}], \"defaultStatus\": \"unaffected\"}], \"solutions\": [{\"lang\": \"en\", \"value\": \"SolarWinds advises to upgrade to the latest version of Serv-U 15.3.2 once became generally available.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"SolarWinds advises to upgrade to the latest version of Serv-U 15.3.2 once became generally available.\", \"base64\": false}]}], \"references\": [{\"url\": \"https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_15-3-2_release_notes.htm\", \"name\": \"https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_15-3-2_release_notes.htm\"}, {\"url\": \"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-35252\", \"name\": \"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-35252\"}, {\"url\": \"https://www.solarwinds.com/trust-center/security-advisories/CVE-2021-35252\", \"name\": \"https://www.solarwinds.com/trust-center/security-advisories/CVE-2021-35252\"}], \"x_generator\": {\"engine\": \"Vulnogram 0.1.0-dev\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"Common encryption key appears to be used across all deployed instances of Serv-U FTP Server. Because of this an encrypted value that is exposed to an attacker can be simply recovered to plaintext.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"Common encryption key appears to be used across all deployed instances of Serv-U FTP Server. Because of this an encrypted value that is exposed to an attacker can be simply recovered to plaintext.\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-798\", \"description\": \"CWE-798 Use of Hard-coded Credentials\"}]}], \"providerMetadata\": {\"orgId\": \"49f11609-934d-4621-84e6-e02e032104d6\", \"shortName\": \"SolarWinds\", \"dateUpdated\": \"2023-10-23T12:45:56.851Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2021-35252\", \"state\": \"PUBLISHED\", \"serial\": 1, \"dateUpdated\": \"2025-04-17T20:18:01.478Z\", \"dateReserved\": \"2021-06-22T00:00:00.000Z\", \"assignerOrgId\": \"49f11609-934d-4621-84e6-e02e032104d6\", \"datePublished\": \"2022-12-16T00:00:00.000Z\", \"assignerShortName\": \"SolarWinds\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




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.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • 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.