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CVE-2020-9492
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…
High8.8EPSS 4.5%
- Published
- Updated
- Reserved
- Assigned by
- apache
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.
Timeline
ID reserved
By apache
- 11 months later
· 11 months later
Published
- 4 years later
· 4 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 4.5% · top 8.5% of all CVEs (7 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.
Weakness
- Privilege Escalation
- CWE-863 (opens in a new tab)All about CWE-863 and its CVEs
Affected products
Apache Hadoop
- affected Apache Hadoop 3.2.0 to 3.2.1, 3.0.0-alpha1 to 3.1.3, 2.0.0-alpha to 2.10.0
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Mavenorg.apache.hadoop:hadoop-commonGHSA-f8vc-wfc8-hxqh (opens in a new tab)
References (16)
- https://lists.apache.org/thread.html/r513758942356ccd0d14538ba18a09903fc72716d74be1cb727ea91ff%40%3Cgeneral.hadoop.apache.org%3E (opens in a new tab)x_refsource_MISCx_transferred
- [announce] 20210125 [CVE-2020-9492] Apache Hadoop Potential privilege escalation (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [druid-commits] 20210203 [GitHub] [druid] jihoonson opened a new pull request #10847: Suppress CVE-2020-9492 for hadoop-mapreduce-client-core (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [druid-commits] 20210203 [GitHub] [druid] jihoonson commented on pull request #10847: Suppress CVE-2020-9492 for hadoop-mapreduce-client-core (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [druid-commits] 20210203 [GitHub] [druid] jihoonson merged pull request #10847: Suppress CVE-2020-9492 for hadoop-mapreduce-client-core (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [druid-commits] 20210225 [GitHub] [druid] liangrui1988 commented on pull request #10847: Suppress CVE-2020-9492 for hadoop-mapreduce-client-core (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [solr-issues] 20210419 [jira] [Updated] (SOLR-15355) CVE-2020-9492: Upgrade hadoop-hdfs-client to 3.2.2 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [solr-issues] 20210419 [jira] [Created] (SOLR-15355) CVE-2020-9492: Upgrade hadoop-hdfs-client to 3.2.2 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [solr-issues] 20210623 [jira] [Updated] (SOLR-15355) CVE-2020-9492: Upgrade hadoop-hdfs-client to 3.2.2 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [solr-issues] 20210702 [jira] [Commented] (SOLR-15355) CVE-2020-9492: Upgrade hadoop-hdfs-client to 3.2.2 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [solr-issues] 20211016 [jira] [Commented] (SOLR-15355) CVE-2020-9492: Upgrade hadoop-hdfs-client to 3.2.2 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [solr-issues] 20211015 [jira] [Resolved] (SOLR-15355) CVE-2020-9492: Upgrade hadoop-hdfs-client to 3.2.2 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [solr-issues] 20211020 [jira] [Commented] (SOLR-15355) CVE-2020-9492: Upgrade hadoop-hdfs-client to 3.2.2 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [solr-issues] 20211022 [jira] [Commented] (SOLR-15355) CVE-2020-9492: Upgrade hadoop-hdfs-client to 3.2.2 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://www.oracle.com/security-alerts/cpujul2022.html (opens in a new tab)x_refsource_MISCx_transferred
- https://security.netapp.com/advisory/ntap-20210304-0001/ (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-f8vc-wfc8-hxqh (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2020-9492)Record last updated .