gsd-2021-38540
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
The variable import endpoint was not protected by authentication in Airflow >=2.0.0, <2.1.3. This allowed unauthenticated users to hit that endpoint to add/modify Airflow variables used in DAGs, potentially resulting in a denial of service, information disclosure or remote code execution. This issue affects Apache Airflow >=2.0.0, <2.1.3.
Aliases
Aliases
{ "GSD": { "alias": "CVE-2021-38540", "description": "The variable import endpoint was not protected by authentication in Airflow \u003e=2.0.0, \u003c2.1.3. This allowed unauthenticated users to hit that endpoint to add/modify Airflow variables used in DAGs, potentially resulting in a denial of service, information disclosure or remote code execution. This issue affects Apache Airflow \u003e=2.0.0, \u003c2.1.3.", "id": "GSD-2021-38540" }, "gsd": { "metadata": { "exploitCode": "unknown", "remediation": "unknown", "reportConfidence": "confirmed", "type": "vulnerability" }, "osvSchema": { "aliases": [ "CVE-2021-38540" ], "details": "The variable import endpoint was not protected by authentication in Airflow \u003e=2.0.0, \u003c2.1.3. This allowed unauthenticated users to hit that endpoint to add/modify Airflow variables used in DAGs, potentially resulting in a denial of service, information disclosure or remote code execution. This issue affects Apache Airflow \u003e=2.0.0, \u003c2.1.3.", "id": "GSD-2021-38540", "modified": "2023-12-13T01:23:17.517135Z", "schema_version": "1.4.0" } }, "namespaces": { "cve.org": { "CVE_data_meta": { "ASSIGNER": "security@apache.org", "ID": "CVE-2021-38540", "STATE": "PUBLIC", "TITLE": "Apache Airflow: Variable Import endpoint missed authentication check" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "Apache Airflow", "version": { "version_data": [ { "version_affected": "\u003c", "version_name": "Apache Airflow ", "version_value": "2.1.3" } ] } } ] }, "vendor_name": "Apache Software Foundation" } ] } }, "credit": [ { "lang": "eng", "value": "Apache Airflow would like to thank Nathan Jones, National Australia Bank\u2019s Offensive Security Team" } ], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "The variable import endpoint was not protected by authentication in Airflow \u003e=2.0.0, \u003c2.1.3. This allowed unauthenticated users to hit that endpoint to add/modify Airflow variables used in DAGs, potentially resulting in a denial of service, information disclosure or remote code execution. This issue affects Apache Airflow \u003e=2.0.0, \u003c2.1.3." } ] }, "generator": { "engine": "Vulnogram 0.0.9" }, "impact": [ {} ], "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-269 Improper Privilege Management" } ] } ] }, "references": { "reference_data": [ { "name": "https://lists.apache.org/thread.html/rb34c3dd1a815456355217eef34060789f771b6f77c3a3dec77de2064%40%3Cusers.airflow.apache.org%3E", "refsource": "MISC", "url": "https://lists.apache.org/thread.html/rb34c3dd1a815456355217eef34060789f771b6f77c3a3dec77de2064%40%3Cusers.airflow.apache.org%3E" }, { "name": "[announce] 20210909 CVE-2021-38540: Apache Airflow: Variable Import endpoint missed authentication check", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/rac2ed9118f64733e47b4f1e82ddc8c8020774698f13328ca742b03a2@%3Cannounce.apache.org%3E" } ] }, "source": { "discovery": "UNKNOWN" }, "work_around": [ { "lang": "eng", "value": "Upgrade to Apache Airflow \u003e=2.1.3" } ] }, "gitlab.com": { "advisories": [ { "affected_range": "\u003e=2.0.0,\u003c2.1.3", "affected_versions": "All versions starting from 2.0.0 before 2.1.3", "cvss_v2": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "cwe_ids": [ "CWE-1035", "CWE-937" ], "date": "2021-09-21", "description": "The variable import endpoint was not protected by authentication in Airflow This allowed unauthenticated users to hit that endpoint to add/modify Airflow variables used in DAGs, potentially resulting in a denial of service, information disclosure or remote code execution.", "fixed_versions": [ "2.1.3" ], "identifier": "CVE-2021-38540", "identifiers": [ "CVE-2021-38540" ], "not_impacted": "All versions before 2.0.0, all versions starting from 2.1.3", "package_slug": "pypi/apache-airflow", "pubdate": "2021-09-09", "solution": "Upgrade to version 2.1.3 or above.", "title": "Missing Authentication for Critical Function", "urls": [ "https://nvd.nist.gov/vuln/detail/CVE-2021-38540" ], "uuid": "f5d34084-2169-4244-b716-ccee3ac371bf" } ] }, "nvd.nist.gov": { "configurations": { "CVE_data_version": "4.0", "nodes": [ { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:a:apache:airflow:*:*:*:*:*:*:*:*", "cpe_name": [], "versionEndExcluding": "2.1.3", "versionStartIncluding": "2.0.0", "vulnerable": true } ], "operator": "OR" } ] }, "cve": { "CVE_data_meta": { "ASSIGNER": "security@apache.org", "ID": "CVE-2021-38540" }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "en", "value": "The variable import endpoint was not protected by authentication in Airflow \u003e=2.0.0, \u003c2.1.3. This allowed unauthenticated users to hit that endpoint to add/modify Airflow variables used in DAGs, potentially resulting in a denial of service, information disclosure or remote code execution. This issue affects Apache Airflow \u003e=2.0.0, \u003c2.1.3." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "en", "value": "CWE-306" } ] } ] }, "references": { "reference_data": [ { "name": "N/A", "refsource": "CONFIRM", "tags": [ "Mailing List", "Vendor Advisory" ], "url": "https://lists.apache.org/thread.html/rb34c3dd1a815456355217eef34060789f771b6f77c3a3dec77de2064%40%3Cusers.airflow.apache.org%3E" }, { "name": "[announce] 20210909 CVE-2021-38540: Apache Airflow: Variable Import endpoint missed authentication check", "refsource": "MLIST", "tags": [ "Mailing List", "Vendor Advisory" ], "url": "https://lists.apache.org/thread.html/rac2ed9118f64733e47b4f1e82ddc8c8020774698f13328ca742b03a2@%3Cannounce.apache.org%3E" } ] } }, "impact": { "baseMetricV2": { "acInsufInfo": false, "cvssV2": { "accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0" }, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "severity": "HIGH", "userInteractionRequired": false }, "baseMetricV3": { "cvssV3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1" }, "exploitabilityScore": 3.9, "impactScore": 5.9 } }, "lastModifiedDate": "2021-09-21T13:56Z", "publishedDate": "2021-09-09T15:15Z" } } }
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