cvelistv5 - CVE-2021-35211

CVE-2021-35211

Vulnerability from cvelistv5

Published

2021-07-14 20:55

Modified

2025-02-04 19:06

Severity ?

9.0 (Critical) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Summary

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.

References

URL	Tags
psirt@solarwinds.com	https://www.microsoft.com/security/blog/2021/07/13/microsoft-discovers-threat-actor-targeting-solarwinds-serv-u-software-with-0-day-exploit	Patch, Vendor Advisory
psirt@solarwinds.com	https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35211	Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	https://www.microsoft.com/security/blog/2021/07/13/microsoft-discovers-threat-actor-targeting-solarwinds-serv-u-software-with-0-day-exploit	Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35211	Patch, Vendor Advisory

Impacted products

	Vendor	Product	Version
	SolarWinds	Serv-U Managed File Transfer Server and Serv-U Secured FTP	Version: SolarWinds Serv-U < 15.2.3 HF1

CISA Known exploited vulnerability

Data from the Known Exploited Vulnerabilities Catalog

Date added: 2021-11-03

Due date: 2021-11-17

Required action: Apply updates per vendor instructions.

Used in ransomware: Known

Notes: https://nvd.nist.gov/vuln/detail/CVE-2021-35211

Show details on NVD website

JSON

To clipboard

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      "cveMetadata": "{\"cveId\": \"CVE-2021-35211\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-02-04T19:06:36.275Z\", \"dateReserved\": \"2021-06-22T00:00:00.000Z\", \"assignerOrgId\": \"49f11609-934d-4621-84e6-e02e032104d6\", \"datePublished\": \"2021-07-14T20:55:25.167Z\", \"assignerShortName\": \"SolarWinds\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}

ghsa-cpmg-9xq8-3934

Vulnerability from github

Published

2022-05-24 19:07

Modified

2022-07-13 00:01

Severity ?

10.0 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Details

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2021-35211"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-668",
      "CWE-787"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-07-14T21:15:00Z",
    "severity": "CRITICAL"
  },
  "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": "GHSA-cpmg-9xq8-3934",
  "modified": "2022-07-13T00:01:28Z",
  "published": "2022-05-24T19:07:47Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-35211"
    },
    {
      "type": "WEB",
      "url": "https://www.microsoft.com/security/blog/2021/07/13/microsoft-discovers-threat-actor-targeting-solarwinds-serv-u-software-with-0-day-exploit"
    },
    {
      "type": "WEB",
      "url": "https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35211"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

fkie_cve-2021-35211

Vulnerability from fkie_nvd

Published

2021-07-14 21:15

Modified

2025-02-04 19:15

Severity ?

9.0 (Critical) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
10.0 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Summary

References

URL	Tags
psirt@solarwinds.com	https://www.microsoft.com/security/blog/2021/07/13/microsoft-discovers-threat-actor-targeting-solarwinds-serv-u-software-with-0-day-exploit	Patch, Vendor Advisory
psirt@solarwinds.com	https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35211	Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	https://www.microsoft.com/security/blog/2021/07/13/microsoft-discovers-threat-actor-targeting-solarwinds-serv-u-software-with-0-day-exploit	Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35211	Patch, Vendor Advisory

Impacted products

Vendor	Product	Version
solarwinds	serv-u	*
solarwinds	serv-u	15.2.3
solarwinds	serv-u	15.2.3

JSON

To clipboard

{
  "cisaActionDue": "2021-11-17",
  "cisaExploitAdd": "2021-11-03",
  "cisaRequiredAction": "Apply updates per vendor instructions.",
  "cisaVulnerabilityName": "SolarWinds Serv-U Remote Code Execution Vulnerability",
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:solarwinds:serv-u:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "66A68531-7831-4875-B0AB-215C3E5A62B6",
              "versionEndExcluding": "15.2.3",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:solarwinds:serv-u:15.2.3:-:*:*:*:*:*:*",
              "matchCriteriaId": "9E8B32A1-90C1-4901-9B66-FA72E5787450",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:solarwinds:serv-u:15.2.3:hotfix1:*:*:*:*:*:*",
              "matchCriteriaId": "92569E9A-911C-4704-A962-047FF5E0E2CF",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "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."
    },
    {
      "lang": "es",
      "value": "Microsoft descubri\u00f3 una vulnerabilidad de ejecuci\u00f3n de c\u00f3digo remota (RCE) en el producto SolarWinds Serv-U usando una Vulnerabilidad de Escape de Memoria Remota. Si es explotado, un actor de la amenaza puede ser capaz de obtener acceso privilegiado a la m\u00e1quina que aloja Serv-U solamente. SolarWinds Serv-U Managed File Transfer y Serv-U Secure FTP para Windows versiones anteriores a 15.2.3 HF2 est\u00e1n afectados por esta vulnerabilidad"
    }
  ],
  "id": "CVE-2021-35211",
  "lastModified": "2025-02-04T19:15:24.803",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "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,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.0,
          "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"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 6.0,
        "source": "psirt@solarwinds.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "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,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-07-14T21:15:08.090",
  "references": [
    {
      "source": "psirt@solarwinds.com",
      "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"
    },
    {
      "source": "psirt@solarwinds.com",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35211"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "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"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35211"
    }
  ],
  "sourceIdentifier": "psirt@solarwinds.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}

gsd-2021-35211

Vulnerability from gsd

Modified

2023-12-13 01:23

Details

Aliases

CVE-2021-35211

Aliases

CVE-2021-35211

JSON

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": {
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          }
        ]
      },
      "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"
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      },
      "problemtype": {
        "problemtype_data": [
          {
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              {
                "lang": "eng",
                "value": " Memory Escape Vulnerability in Solarwinds Serv-U "
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
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            "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"
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        ]
      },
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          "ASSIGNER": "psirt@solarwinds.com",
          "ID": "CVE-2021-35211"
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        "data_version": "4.0",
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            }
          ]
        },
        "problemtype": {
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                  "value": "NVD-CWE-noinfo"
                }
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        },
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              "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",
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              "tags": [
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                "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",
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            "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"
    }
  }
}

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.

Action not permitted

CVE-2021-35211

Vulnerability from cvelistv5

CISA Known exploited vulnerability

Data from the Known Exploited Vulnerabilities Catalog

ghsa-cpmg-9xq8-3934

Vulnerability from github

fkie_cve-2021-35211

Vulnerability from fkie_nvd

gsd-2021-35211

Vulnerability from gsd

Tags

Sightings

Nomenclature