high
8.8
CWE
863
Advisory Published
CVE Published
Updated

CVE-2020-9492

First published: Tue Jan 26 2021(Updated: )

A flaw was found in Apache hadoop. The WebHDFS client can send a SPNEGO authorization header to a remote URL without proper verification which could lead to an access restriction bypass. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Credit: security@apache.org

Affected SoftwareAffected VersionHow to fix
redhat/hadoop<3.2.2
3.2.2
redhat/hadoop<3.1.4
3.1.4
redhat/hadoop<2.10.1
2.10.1
Apache Hadoop>=2.0.0<=2.10.0
Apache Hadoop>=3.0.0<=3.1.3
Apache Hadoop>=3.2.0<=3.2.1
Apache Solr=8.6.0
Apache Solr=8.6.2
Oracle Financial Services Crime And Compliance Management Studio=8.0.8.2.0
Oracle Financial Services Crime And Compliance Management Studio=8.0.8.3.0

Remedy

https://www.oracle.com/security-alerts/cpujul2022.html

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2020-9492?

    CVE-2020-9492 is a vulnerability found in Apache Hadoop, which allows the WebHDFS client to send a SPNEGO authorization header to a remote URL without proper verification, leading to an access restriction bypass.

  • How does CVE-2020-9492 impact data confidentiality and integrity?

    CVE-2020-9492 can compromise data confidentiality and integrity as well as system availability.

  • Which software versions are affected by CVE-2020-9492?

    The affected software versions include 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.

  • What is the severity level of CVE-2020-9492?

    CVE-2020-9492 has a severity level of 8.8 (high).

  • How can I fix CVE-2020-9492?

    To fix CVE-2020-9492, update your Apache Hadoop installation to version 3.2.2, 3.1.4, or 2.10.1.

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