{"cve":"CVE-2020-9492","nvd":{"published":"2021-01-26T18:16:10.207","modified":"2026-06-17T03:28:03.540","status":"Modified","description":"In Apache Hadoop 3.2.0 to 3.2.1, 3.0.0-alpha1 to 3.1.3, and 2.0.0-alpha to 2.10.0, WebHDFS client might send SPNEGO authorization header to remote URL without proper verification.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-863"],"references":["https://lists.apache.org/thread.html/r0a534f1cde7555f7208e9f9b791c1ab396d215eaaef283b3a9153429%40%3Ccommits.druid.apache.org%3E","https://lists.apache.org/thread.html/r49c9ab444ab1107c6a8be8a0d66602dec32a16d96c2631fec8d309fb%40%3Cissues.solr.apache.org%3E","https://lists.apache.org/thread.html/r4a57de5215494c35c8304cf114be75d42df7abc6c0c54bf163c3e370%40%3Cissues.solr.apache.org%3E","https://lists.apache.org/thread.html/r513758942356ccd0d14538ba18a09903fc72716d74be1cb727ea91ff%40%3Cgeneral.hadoop.apache.org%3E","https://lists.apache.org/thread.html/r6341f2a468ced8872a71997aa1786ce036242413484f0fa68dc9ca02%40%3Cissues.solr.apache.org%3E"],"products":["apache:hadoop","apache:solr","oracle:financial_services_crime_and_compliance_management_studio"],"source":"nvd","synced_at":"2026-10-19T21:14:10.479542811+00:00"},"epss":{"cve":"CVE-2020-9492","score":0.04493,"percentile":0.91488,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-f8vc-wfc8-hxqh","url":"https://osv.dev/vulnerability/GHSA-f8vc-wfc8-hxqh","summary":"Improper Privilege Management in Apache Hadoop","modified":"2024-03-08T05:20:12.847694Z","packages":[{"ecosystem":"Maven","name":"org.apache.hadoop:hadoop-common","purl":"pkg:maven/org.apache.hadoop/hadoop-common","ranges":[">=3.2.0 <3.2.2"],"fixed":["3.2.2"]},{"ecosystem":"Maven","name":"org.apache.hadoop:hadoop-common","purl":"pkg:maven/org.apache.hadoop/hadoop-common","ranges":[">=3.0.0 <3.1.4"],"fixed":["3.1.4"]},{"ecosystem":"Maven","name":"org.apache.hadoop:hadoop-common","purl":"pkg:maven/org.apache.hadoop/hadoop-common","ranges":[">=2.0.0 <2.10.1"],"fixed":["2.10.1"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}