gsd-2021-35211
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
Microsoft discovered a remote code execution (RCE) vulnerability in the SolarWinds Serv-U product utilizing a Remote Memory Escape Vulnerability. If exploited, a threat actor may be able to gain privileged access to the machine hosting Serv-U Only. SolarWinds Serv-U Managed File Transfer and Serv-U Secure FTP for Windows before 15.2.3 HF2 are affected by this vulnerability.
Aliases
Aliases
CVE-2021-35211


To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-35211",
    "description": "Microsoft discovered a remote code execution (RCE) vulnerability in the SolarWinds Serv-U product utilizing a Remote Memory Escape Vulnerability. If exploited, a threat actor may be able to gain privileged access to the machine hosting Serv-U Only. SolarWinds Serv-U Managed File Transfer and Serv-U Secure FTP for Windows before 15.2.3 HF2 are affected by this vulnerability.",
    "id": "GSD-2021-35211"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-35211"
      ],
      "details": "Microsoft discovered a remote code execution (RCE) vulnerability in the SolarWinds Serv-U product utilizing a Remote Memory Escape Vulnerability. If exploited, a threat actor may be able to gain privileged access to the machine hosting Serv-U Only. SolarWinds Serv-U Managed File Transfer and Serv-U Secure FTP for Windows before 15.2.3 HF2 are affected by this vulnerability.",
      "id": "GSD-2021-35211",
      "modified": "2023-12-13T01:23:28.574544Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cisa.gov": {
      "cveID": "CVE-2021-35211",
      "dateAdded": "2021-11-03",
      "dueDate": "2021-11-17",
      "product": "SolarWinds nServ-U",
      "requiredAction": "Apply updates per vendor instructions.",
      "shortDescription": "Microsoft discovered a remote code execution (RCE) vulnerability in the SolarWinds Serv-U product utilizing a Remote Memory Escape Vulnerability.",
      "vendorProject": "SolarWinds",
      "vulnerabilityName": "SolarWinds Serv-U Remote Memory Escape Vulnerability"
    },
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "psirt@solarwinds.com",
        "DATE_PUBLIC": "2021-07-13T16:16:00.000Z",
        "ID": "CVE-2021-35211",
        "STATE": "PUBLIC",
        "TITLE": "Serv-U Remote Memory Escape Vulnerability"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Serv-U Managed File Transfer Server and Serv-U Secured FTP ",
                    "version": {
                      "version_data": [
                        {
                          "platform": "Windows",
                          "version_affected": "\u003c",
                          "version_name": "SolarWinds Serv-U",
                          "version_value": "15.2.3 HF1"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "SolarWinds"
            }
          ]
        }
      },
      "credit": [
        {
          "lang": "eng",
          "value": "SolarWinds would like to thank the Microsoft Threat Intelligence Center (MSTIC) and Microsoft Offensive Security Research teams for reporting on the issue in a responsible manner."
        }
      ],
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "Microsoft discovered a remote code execution (RCE) vulnerability in the SolarWinds Serv-U product utilizing a Remote Memory Escape Vulnerability. If exploited, a threat actor may be able to gain privileged access to the machine hosting Serv-U Only. SolarWinds Serv-U Managed File Transfer and Serv-U Secure FTP for Windows before 15.2.3 HF2 are affected by this vulnerability."
          }
        ]
      },
      "generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "impact": {
        "cvss": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H",
          "version": "3.1"
        }
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": " Memory Escape Vulnerability in Solarwinds Serv-U "
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35211",
            "refsource": "MISC",
            "url": "https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35211"
          },
          {
            "name": "https://www.microsoft.com/security/blog/2021/07/13/microsoft-discovers-threat-actor-targeting-solarwinds-serv-u-software-with-0-day-exploit",
            "refsource": "MISC",
            "url": "https://www.microsoft.com/security/blog/2021/07/13/microsoft-discovers-threat-actor-targeting-solarwinds-serv-u-software-with-0-day-exploit"
          }
        ]
      },
      "solution": [
        {
          "lang": "eng",
          "value": "SolarWinds has released a hotfix 15.2.3 HF2 It is suggested to upgrade to the latest hotfix as soon as possible "
        }
      ],
      "source": {
        "defect": [
          "CVE-2021-35211"
        ],
        "discovery": "EXTERNAL"
      },
      "work_around": [
        {
          "lang": "eng",
          "value": "SolarWinds advises to disconnect Serv-U Server from internet until patched."
        }
      ]
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:solarwinds:serv-u:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "15.2.3",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:solarwinds:serv-u:15.2.3:-:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:solarwinds:serv-u:15.2.3:hotfix1:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "psirt@solarwinds.com",
          "ID": "CVE-2021-35211"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "Microsoft discovered a remote code execution (RCE) vulnerability in the SolarWinds Serv-U product utilizing a Remote Memory Escape Vulnerability. If exploited, a threat actor may be able to gain privileged access to the machine hosting Serv-U Only. SolarWinds Serv-U Managed File Transfer and Serv-U Secure FTP for Windows before 15.2.3 HF2 are affected by this vulnerability."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "NVD-CWE-noinfo"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.microsoft.com/security/blog/2021/07/13/microsoft-discovers-threat-actor-targeting-solarwinds-serv-u-software-with-0-day-exploit",
              "refsource": "MISC",
              "tags": [
                "Patch",
                "Vendor Advisory"
              ],
              "url": "https://www.microsoft.com/security/blog/2021/07/13/microsoft-discovers-threat-actor-targeting-solarwinds-serv-u-software-with-0-day-exploit"
            },
            {
              "name": "https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35211",
              "refsource": "MISC",
              "tags": [
                "Patch",
                "Vendor Advisory"
              ],
              "url": "https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35211"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "COMPLETE",
            "baseScore": 10.0,
            "confidentialityImpact": "COMPLETE",
            "integrityImpact": "COMPLETE",
            "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 10.0,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "HIGH",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 10.0,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 6.0
        }
      },
      "lastModifiedDate": "2022-07-12T17:42Z",
      "publishedDate": "2021-07-14T21:15Z"
    }
  }
}


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