What’s Vulnerable › Vulnerabilities

CVE-2018-11764

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-10-21 · updated 2026-06-17
• Weakness: CWE-306

Description

Web endpoint authentication check is broken in Apache Hadoop 3.0.0-alpha4, 3.0.0-beta1, and 3.0.0. Authenticated users may impersonate any user even if no proxy user is configured.

Affected products

• Apache Software Foundation Apache Hadoop: 3.0.0, 3.0.0-alpha4, 3.0.0-beta1

References

• https://lists.apache.org/thread.html/r790ad0a049cde713b93589ecfd4dd2766fda0fc6807eedb6cf69f5c1%40%3Cgeneral.hadoop.apache.org%3E
• https://security.netapp.com/advisory/ntap-20201103-0003/
• https://lists.apache.org/thread.html/r790ad0a049cde713b93589ecfd4dd2766fda0fc6807eedb6cf69f5c1%40%3Cgeneral.hadoop.apache.org%3E
• https://security.netapp.com/advisory/ntap-20201103-0003/

Get alerted when CVE-2018-11764 or the next vulnerability affects your stack