CVE-2020-9492

mediumpriority · track · 37OT risk · elevatedEPSS 0.045 · 91 %ileDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

4.49% (91st) EPSS

CVSS 6.5 · medium

Is it mine?

17 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · osv · cert_bund

EPSS · scored 2026-10-27

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

Technical severity, 0–10. One row per scoring source.

8.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.5–8.8

v2.06.5mediumAV:N/AC:L/Au:S/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 8 · impact 6.4

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · OSV

v3.18.1highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-863USprimaryCWE-269USCWE-863US

affected products (17)

Products and version ranges known to be affected.

IBM InfoSphere Information Serverall versionscert_bundDEcpe:/a:ibm:infosphere_information_server:-
IBM QRadar SIEM 7.3all versionscert_bundDEcpe:/a:ibm:qradar_siem:7.3
IBM QRadar SIEM 7.4all versionscert_bundDEcpe:/a:ibm:qradar_siem:7.4
IBM QRadar SIEM 7.5.0all versionscert_bundDEcpe:/a:ibm:qradar_siem:7.5.0
n/a Apache Hadoop≤ Apache Hadoop 3.2.0 to 3.2.1, 3.0.0-alpha1 to 3.1.3, 2.0.0-alpha to 2.10.0enisa_euvdEU
apache hadoop2.0.0 → 2.10.0nvdUScpe:2.3:a:apache:hadoop:*:*:*:*:*:*:*:*
apache hadoop3.0.0 → 3.1.3nvdUScpe:2.3:a:apache:hadoop:*:*:*:*:*:*:*:*
apache hadoop3.2.0 → 3.2.1nvdUScpe:2.3:a:apache:hadoop:*:*:*:*:*:*:*:*
apache solr= 8.6.0nvdUScpe:2.3:a:apache:solr:*:*:*:*:*:*:*:*
apache solr= 8.6.2nvdUScpe:2.3:a:apache:solr:*:*:*:*:*:*:*:*
oracle financial services crime and compliance management studio= 8.0.8.2.0nvdUScpe:2.3:a:oracle:financial_services_crime_and_compliance_management_studio:*:*:*:*:*:*:*:*
oracle financial services crime and compliance management studio= 8.0.8.3.0nvdUScpe:2.3:a:oracle:financial_services_crime_and_compliance_management_studio:*:*:*:*:*:*:*:*
Bitnami solr8.6.0 → 8.6.1osvUSpkg:bitnami/solr
Bitnami solr8.6.2 → 8.6.3osvUSpkg:bitnami/solr
Maven org.apache.hadoop:hadoop-common2.0.0 → 2.10.1osvUSpkg:maven/org.apache.hadoop/hadoop-common
Maven org.apache.hadoop:hadoop-common3.0.0 → 3.1.4osvUSpkg:maven/org.apache.hadoop/hadoop-common
Maven org.apache.hadoop:hadoop-common3.2.0 → 3.2.2osvUSpkg:maven/org.apache.hadoop/hadoop-common

advisories (3)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2025-0227IBM QRadar SIEM: Mehrere SchwachstellenDeutsch2021-11-30csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in IBM QRadar SIEM ausnutzen, um seine Privilegien zu erweitern, Administratorrechte zu erlangen, beliebigen Programmcode auszuführen, Informationen offenzulegen, Dateien zu manipulieren oder Sicherheitsvorkehrungen zu umgehen.
GHSA-f8vc-wfc8-hxqhImproper Privilege Management in Apache Hadoop2022-02-09ghsa · osvUS
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.
BIT-solr-2020-94922024-03-06vendor · osvUS
In Apache Hadoop 3.2.0 to 3.2.1, 3.0.0 to 3.1.3, and 2.0.0 to 2.10.0, WebHDFS client might send SPNEGO authorization header to remote URL without proper verification.

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd osv cert_bund nvd NVD CVE.org MITRE

published 2021-01-26modified 2026-06-17

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+5006 more

references (62)

External citations — patches, advisories, analysis.

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