Vulnerability-Lookup

Vulnerability from bitnami_vulndb

Published

2025-09-12 11:46

Modified

2025-09-12 12:08

Summary

Apache NiFi information disclosure by XXE

Details

In the TransformXML processor of Apache NiFi before 1.15.1 an authenticated user could configure an XSLT file which, if it included malicious external entity calls, may reveal sensitive information.

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Bitnami",
        "name": "nifi",
        "purl": "pkg:bitnami/nifi"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0.1.0"
            },
            {
              "fixed": "1.15.1"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "severity": [
        {
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "type": "CVSS_V3"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-44145"
  ],
  "database_specific": {
    "cpes": [
      "cpe:2.3:a:apache:nifi:*:*:*:*:*:*:*:*"
    ],
    "severity": "Medium"
  },
  "details": "In the TransformXML processor of Apache NiFi before 1.15.1 an authenticated user could configure an XSLT file which, if it included malicious external entity calls, may reveal sensitive information.",
  "id": "BIT-nifi-2021-44145",
  "modified": "2025-09-12T12:08:23.743Z",
  "published": "2025-09-12T11:46:48.807Z",
  "references": [
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2021/12/17/1"
    },
    {
      "type": "WEB",
      "url": "https://nifi.apache.org/security.html#1.15.1-vulnerabilities"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-44145"
    }
  ],
  "schema_version": "1.6.2",
  "summary": "Apache NiFi information disclosure by XXE"
}

CVE-2021-44145 (GCVE-0-2021-44145)

Vulnerability from cvelistv5 – Published: 2021-12-17 08:50 – Updated: 2024-08-04 04:17

Title

Apache NiFi information disclosure by XXE

Summary

In the TransformXML processor of Apache NiFi before 1.15.1 an authenticated user could configure an XSLT file which, if it included malicious external entity calls, may reveal sensitive information.

Severity

No CVSS data available.

CWE

Sensitive information disclosure

Assigner

apache

References

2 references

URL	Tags
https://nifi.apache.org/security.html#1.15.1-vuln…	x_refsource_MISC
http://www.openwall.com/lists/oss-security/2021/12/17/1	mailing-listx_refsource_MLIST

Impacted products

1 product

Vendor	Product	Version
Apache Software Foundation	Apache NiFi	Affected: Apache NiFi , ≤ 1.15.0 (custom)

Credits

This issue was discovered by DangKhai at Viettel Cyber Security.

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T04:17:24.439Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://nifi.apache.org/security.html#1.15.1-vulnerabilities"
          },
          {
            "name": "[oss-security] 20211216 CVE-2021-44145: Apache NiFi information disclosure by XXE",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2021/12/17/1"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Apache NiFi",
          "vendor": "Apache Software Foundation",
          "versions": [
            {
              "lessThanOrEqual": "1.15.0",
              "status": "affected",
              "version": "Apache NiFi",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "This issue was discovered by DangKhai at Viettel Cyber Security."
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the TransformXML processor of Apache NiFi before 1.15.1 an authenticated user could configure an XSLT file which, if it included malicious external entity calls, may reveal sensitive information."
        }
      ],
      "metrics": [
        {
          "other": {
            "content": {
              "other": "Low"
            },
            "type": "unknown"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Sensitive information disclosure",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-12-17T09:06:06.000Z",
        "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
        "shortName": "apache"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://nifi.apache.org/security.html#1.15.1-vulnerabilities"
        },
        {
          "name": "[oss-security] 20211216 CVE-2021-44145: Apache NiFi information disclosure by XXE",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2021/12/17/1"
        }
      ],
      "source": {
        "defect": [
          "NIFI-9399"
        ],
        "discovery": "UNKNOWN"
      },
      "title": "Apache NiFi information disclosure by XXE",
      "x_generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@apache.org",
          "ID": "CVE-2021-44145",
          "STATE": "PUBLIC",
          "TITLE": "Apache NiFi information disclosure by XXE"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Apache NiFi",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c=",
                            "version_name": "Apache NiFi",
                            "version_value": "1.15.0"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Apache Software Foundation"
              }
            ]
          }
        },
        "credit": [
          {
            "lang": "eng",
            "value": "This issue was discovered by DangKhai at Viettel Cyber Security."
          }
        ],
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "In the TransformXML processor of Apache NiFi before 1.15.1 an authenticated user could configure an XSLT file which, if it included malicious external entity calls, may reveal sensitive information."
            }
          ]
        },
        "generator": {
          "engine": "Vulnogram 0.0.9"
        },
        "impact": [
          {
            "other": "Low"
          }
        ],
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Sensitive information disclosure"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://nifi.apache.org/security.html#1.15.1-vulnerabilities",
              "refsource": "MISC",
              "url": "https://nifi.apache.org/security.html#1.15.1-vulnerabilities"
            },
            {
              "name": "[oss-security] 20211216 CVE-2021-44145: Apache NiFi information disclosure by XXE",
              "refsource": "MLIST",
              "url": "http://www.openwall.com/lists/oss-security/2021/12/17/1"
            }
          ]
        },
        "source": {
          "defect": [
            "NIFI-9399"
          ],
          "discovery": "UNKNOWN"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
    "assignerShortName": "apache",
    "cveId": "CVE-2021-44145",
    "datePublished": "2021-12-17T08:50:09.000Z",
    "dateReserved": "2021-11-22T00:00:00.000Z",
    "dateUpdated": "2024-08-04T04:17:24.439Z",
    "state": "PUBLISHED"
  },
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  "dataVersion": "5.1"
}

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.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.

Action not permitted

Vulnerability from bitnami_vulndb

CVE-2021-44145 (GCVE-0-2021-44145)

Tags

Sightings

Nomenclature