CVE-2021-40822 (GCVE-0-2021-40822)

Vulnerability from cvelistv5 – Published: 2022-05-01 23:17 – Updated: 2024-08-04 02:51
VLAI Previdian
Summary
GeoServer through 2.18.5 and 2.19.x through 2.19.2 allows SSRF via the option for setting a proxy host.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE
  • n/a
Assigner
References
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: dd8785f9-1025-43e0-8a9f-0de2e5d88ba8

Vulnerability ID: CVE-2021-40822

Status: Confirmed

Status Updated: 2025-04-26 02:00 CEST

Exploited: Yes

Timestamps
First Seen: 2025-04-26
Asserted: 2025-04-26
Scope
Notes: GeoServer through 2.18.5 and 2.19.x through 2.19.2 allows SSRF via the option for setting a proxy host. | Affected: GeoServer / GeoServer | CVSS: 7.5 (HIGH) | EPSS: 0.19259 | Used in malware: unknown | Not yet in CISA KEV: True
Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: previdian

Details
Feed Previdian (previdian.com)
Title GeoServer through 2.18.5 and 2.19.x through 2.19.2 allows SSRF via the option for setting a proxy host.
Cve Id CVE-2021-40822
Vendor GeoServer
Ghsa Id GHSA-RR33-J5P5-PPF8
Product GeoServer
Added Date 2025-04-26T00:00:00.000Z
Cvss Score 7.5
Epss Score 0.19259
Previous Ids
Cvss Severity HIGH
Virtual Patch False
Cvss Estimated False
Epss Percentile 0.97261
Used In Malware unknown
Vulnerability Id CVE-2021-40822
Ahead Of Cisa Kev None
Not Yet In Cisa Kev True
References
Created: 2026-10-02 09:10 CEST | Updated: 2026-10-02 09:10 CEST
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T02:51:07.436Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/geoserver/geoserver/releases"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://osgeo-org.atlassian.net/browse/GEOS-10229"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/geoserver/geoserver/compare/2.19.2...2.19.3"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://osgeo-org.atlassian.net/browse/GEOS-10229?focusedCommentId=83508"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "GeoServer through 2.18.5 and 2.19.x through 2.19.2 allows SSRF via the option for setting a proxy host."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-05-01T23:17:25.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/geoserver/geoserver/releases"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://osgeo-org.atlassian.net/browse/GEOS-10229"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/geoserver/geoserver/compare/2.19.2...2.19.3"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://osgeo-org.atlassian.net/browse/GEOS-10229?focusedCommentId=83508"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-40822",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "GeoServer through 2.18.5 and 2.19.x through 2.19.2 allows SSRF via the option for setting a proxy host."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/geoserver/geoserver/releases",
              "refsource": "MISC",
              "url": "https://github.com/geoserver/geoserver/releases"
            },
            {
              "name": "https://osgeo-org.atlassian.net/browse/GEOS-10229",
              "refsource": "MISC",
              "url": "https://osgeo-org.atlassian.net/browse/GEOS-10229"
            },
            {
              "name": "https://github.com/geoserver/geoserver/compare/2.19.2...2.19.3",
              "refsource": "CONFIRM",
              "url": "https://github.com/geoserver/geoserver/compare/2.19.2...2.19.3"
            },
            {
              "name": "https://osgeo-org.atlassian.net/browse/GEOS-10229?focusedCommentId=83508",
              "refsource": "MISC",
              "url": "https://osgeo-org.atlassian.net/browse/GEOS-10229?focusedCommentId=83508"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2021-40822",
    "datePublished": "2022-05-01T23:17:25.000Z",
    "dateReserved": "2021-09-09T00:00:00.000Z",
    "dateUpdated": "2024-08-04T02:51:07.436Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2021-40822",
      "date": "2026-10-11",
      "epss": "0.19259",
      "percentile": "0.97282"
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "product": "n/a",
                "vendor": "n/a",
                "versions": [
                  {
                    "status": "affected",
                    "version": "n/a"
                  }
                ]
              }
            ],
            "source": "cve@mitre.org"
          }
        ],
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:osgeo:geoserver:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "BEEC9097-506C-465A-B732-B344EF88441B",
                    "versionEndIncluding": "2.18.5",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:osgeo:geoserver:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "1C6F334E-A69B-4230-A7C2-C3D16C3DD436",
                    "versionEndExcluding": "2.19.3",
                    "versionStartIncluding": "2.19.0",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "GeoServer through 2.18.5 and 2.19.x through 2.19.2 allows SSRF via the option for setting a proxy host."
          },
          {
            "lang": "es",
            "value": "GeoServer versiones hasta 2.18.5 y versiones 2.19.x hasta 2.19.2, permite un ataque de tipo SSRF por medio de la opci\u00f3n de establecer un host proxy"
          }
        ],
        "id": "CVE-2021-40822",
        "lastModified": "2026-06-17T04:07:28.813",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
              "cvssData": {
                "accessComplexity": "LOW",
                "accessVector": "NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "NONE",
                "baseScore": 5.0,
                "confidentialityImpact": "PARTIAL",
                "integrityImpact": "NONE",
                "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
                "version": "2.0"
              },
              "exploitabilityScore": 10.0,
              "impactScore": 2.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ],
          "cvssMetricV31": [
            {
              "cvssData": {
                "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"
              },
              "exploitabilityScore": 3.9,
              "impactScore": 3.6,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ]
        },
        "published": "2022-05-02T00:15:08.113",
        "references": [
          {
            "source": "cve@mitre.org",
            "tags": [
              "Patch",
              "Release Notes",
              "Third Party Advisory"
            ],
            "url": "https://github.com/geoserver/geoserver/compare/2.19.2...2.19.3"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
              "Release Notes",
              "Third Party Advisory"
            ],
            "url": "https://github.com/geoserver/geoserver/releases"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
              "Issue Tracking",
              "Vendor Advisory"
            ],
            "url": "https://osgeo-org.atlassian.net/browse/GEOS-10229"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
              "Issue Tracking",
              "Vendor Advisory"
            ],
            "url": "https://osgeo-org.atlassian.net/browse/GEOS-10229?focusedCommentId=83508"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Patch",
              "Release Notes",
              "Third Party Advisory"
            ],
            "url": "https://github.com/geoserver/geoserver/compare/2.19.2...2.19.3"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Release Notes",
              "Third Party Advisory"
            ],
            "url": "https://github.com/geoserver/geoserver/releases"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Issue Tracking",
              "Vendor Advisory"
            ],
            "url": "https://osgeo-org.atlassian.net/browse/GEOS-10229"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Issue Tracking",
              "Vendor Advisory"
            ],
            "url": "https://osgeo-org.atlassian.net/browse/GEOS-10229?focusedCommentId=83508"
          }
        ],
        "sourceIdentifier": "cve@mitre.org",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-918"
              }
            ],
            "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.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.